In this photo taken July 1, 2015, photo, Andrew Morales wipes sweat from is face while taking a break from his devil costume in the afternoon heat in Las Vegas. From Seattle to Salt Lake City, the West is baking under record heat. (Photo by John Locher/AP Photo)

U.S. Marshall's walk near the Navy Yard in Washington, Thursday, July 2, 2015. A lockdown was underway Thursday morning across the Washington Navy Yard campus after reports of shots fired, but a senior law enforcement official said those reports had not been confirmed. (Photo by Jacquelyn Martin/AP Photo)

In this image taken with a long exposure, the Volcan de Fuego, or Volcano of Fire, spews hot molten lava from its crater in San Juan Alotenango, Guatemala, Wednesday, July 1, 2015. The Guatemalan emergency agency CONRED raised the alert level in the area after the volcano restarted its activity on early Wednesday. (Photo by Moises Castillo/AP Photo)

Ein Karem resident, Tal, climbs down a ladder into a ritual bath that was discovered under his family's house in Jerusalem, July 1, 2015. The Jerusalem family has found a 2,000-year-old Jewish ritual bath under their house while renovating the living room floor, Israel's Antiquities Authority said on Wednesday. Pottery vessels inside the rock-hewn bath helped archaeologists date the discovery to the 1st century. The house is in the village of Ein Karem, the traditional birthplace of John the Baptist. (Photo by Ronen Zvulun/Reuters)

Youths play soccer in Santiago, Chile, July 1, 2015. Santiago will host the Copa America final soccer match between Chile and Argentina on July 4. (Photo by Ricardo Moraes/Reuters)

A New York City NYPD officer holds back a crowd from a man (R) who was suspected by the crowd of burning a U.S. flag, following an anti-police protest in Fort Green Park in the Brooklyn Borough of New York July 1, 2015. A crowd against burning the U.S. flag attacked the protesters following the incident, forcing the anti-police protesters to seek aid from members of the NYPD. (Photo by Brendan McDermid/Reuters)

A protesters hold placards and banners during an anti-corruption march in Panama City July 1, 2015. Activist groups took part on Wednesday in a protest against the alleged corruption cases involving members of former president Ricardo Martinelli's administration, according to local media. The placard reads “Impunity”. (Photo by Carlos Jasso/Reuters)

Rescue workers search at the site of a traffic accident, where a bus fell off a bridge, in Ji'an, Jilin province, China, July 1, 2015. According to Xinhua News Agency, at least nine people, including seven South Korean tourists, were killed in the accident Wednesday. The bus carrying 28 people, 26 of them South Koreans, was on its way from Ji'an to Dandong. (Photo by Reuters/Xinhua)

A member of the ground staff unloads a Japan Airlines (JAL) passenger plane at Haneda airport in Tokyo July 2, 2015. (Photo by Thomas Peter/Reuters)

Indonesian air force soldiers carry the coffin of a victim of an Indonesian military C-130B Hercules aircraft that crashed into a residential area to another cargo plane for transport home at a military airbase in Medan, North Sumatra, Indonesia July 2, 2015 in this photo taken by Antara Foto. (Photo by Irsan Mulyadi/Reuters/Antara Foto)

A woman (C) cries after confirming that her brother was among the victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area, outside the Adam Malik hospital in Medan, Indonesia North Sumatra province July 2, 2015. (Photo by Reuters/Beawiharta)

Members of the Indonesian Air Force carry the coffin of Sergeant Sugiyanto, who was killed in the crash of an Air Force transport plane in Medan, at a cemetery in Pekanbaru, Riau, Indonesia July 2, 2015 in this photo taken by Antara Foto. (Photo by F. B. Anggoro/Reuters/Antara Foto)

Indonesian police women stand guard near relatives of the victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area, outside the Adam Malik hospital in Medan, Indonesia North Sumatra province July 2, 2015. (Photo by Reuters/Beawiharta)

Family and relatives attend the funeral of Indonesian Airforce officer Riri Setiawan, who was killed in this week's crash of a C-130 Hercules aircraft in Medan, at the Heroes Cemetery, Tanah Datar, West Sumatra, Indonesia July 1, 2015 in this photo taken by Antara Foto. Picture taken July 1, 2015. (Photo by Muhammad Arif Pribadi/Reuters/Antara Foto)

A street vendor sells candies and cigarettes in the centre of La Paz, July 1, 2015. (Photo by David Mercado/Reuters)

A girl sits on a makeshift styrofoam raft as she collects recyclable material from floating garbage in a polluted river at Navotas city, north of Manila, Philippines July 2, 2015. (Photo by Romeo Ranoco/Reuters)

A boy sift through floating garbage as he collect recyclable materials in a polluted river at Navotas city, north of Manila, July 2, 2015. (Photo by Romeo Ranoco/Reuters)

A girl sits on a makeshift styrofoam raft as she collects recyclable material from floating garbage in a polluted river at Navotas city, north of Manila, July 2, 2015. (Photo by Romeo Ranoco/Reuters)

Boys sift through floating garbage as they collect recyclable materials in a polluted river at Navotas city, north of Manila, July 2, 2015. (Photo by Romeo Ranoco/Reuters)

A man looks a display entitled, “Corner of the Cretins” in reference to (L to R) Cuban dictator Fulgencio Batista, former U.S. Presidents Ronald Reagan, George Bush Sr. and George W. Bush, at the Museum of the Revolution in Havana July 1, 2015. (Photo by Enrique de la Osa/Reuters)

Steam billows from the cooling towers of Vattenfall's Jaenschwalde brown coal power station behind wind turbines near Cottbus, eastern Germany, in this December 2, 2009 file photo. Germany agreed on July 2, 2015 to mothball about five of the country's largest brown coal power plants to meet its climate goals by 2020, after months of wrangling between the parties in Chancellor Angela Merkel's coalition. (Photo by Pawel Kopczynski/Reuters)

A tourist looks at skulls and bones of more than 8,000 victims of the Khmer Rouge regime displayed at Choeung Ek, a “Killing Fields” site located on the outskirts of Phnom Penh July 2, 2015. The Extraordinary Chambers in the Courts of Cambodia (ECCC) began on Thursday the first appeal hearings in Case 002/01, whose defendants are “Brother Number Two” Nuon Chea and former President Khieu Samphan. (Photo by Samrang Pring/Reuters)

Ella poses as the Mad Hatter from Alice in Wonderland, outside the MCM Comic Con at the Excel Centre in East London, Britain, in this October 25, 2014 file photo. It's 150 years since a hookah-smoking caterpillar sitting on a mushroom asked a curious young girl called Alice “Who are you?” and readers have been wondering the same thing ever since. Lewis Carroll's “Alice's Adventures in Wonderland”, with characters including the Hatter, the White Rabbit and the “off with his head” Queen of Hearts, has delighted generations of children since its publication in 1865. (Photo by Andrew Winning/Reuters)

A woman and her German Shepherd cool off in the Yenisei River at air temperature about 32 degrees Celsius (90 degrees Fahrenheit) outside the Siberian city of Krasnoyarsk, Russia, July 2, 2015. (Photo by Ilya Naymushin/Reuters)

Team Sky rider Chris Froome of Britain talks with his team mate Richie Porte of Australia (R) as they cycle during a team training session in Zeist, Netherlands, July 2, 2015. The 2015 Tour de France cycling race will start in Utrecht, on Saturday July 4. (Photo by Benoit Tessier/Reuters)

Dancers of the Friedrichstadt-Palast from the show “THE WYLD” pose during a promotional photocall at a former National Security Agency (NSA) listening station at the Teufelsberg (Devil's Mountain) in Berlin, Germany, July 2, 2015. The 10.6 million euro ($13.5 million) show is the largest production budget in the 95-year history of Friedrichstadt-Palast. (Photo by Hannibal Hanschke/Reuters)

Dancers of the Friedrichstadt-Palast from the show “THE WYLD” pose during a promotional photocall at a former National Security Agency (NSA) listening station at the Teufelsberg (Devil's Mountain) in Berlin, Germany, July 2, 2015. (Photo by Hannibal Hanschke/Reuters)

Dancers of the Friedrichstadt-Palast from the show “THE WYLD” pose during a promotional photocall at a former National Security Agency (NSA) listening station at the Teufelsberg (Devil's Mountain) in Berlin, Germany, July 2, 2015. (Photo by Hannibal Hanschke/Reuters)

A cameraman runs away from Israeli border policemen during a protest marking the first anniversary of the killing of 16-year-old Palestinian Mohammed Abu Khudair, who was burnt in Jerusalem in a suspected revenge attack for the kidnapping and slaying of three Israeli teens last year, near the West Bank city of Ramallah July 2, 2015. Abu Khudair's abduction and killing sparked violent protests and calls from Palestinians for a new uprising against Israel last year. (Photo by Mohamad Torokman/Reuters)

Palestinian protesters standing near an Israeli army jeep hold a banner with a picture of 16-year-old Palestinian Mohammed Abu Khudair, who was burnt in Jerusalem in a suspected revenge attack for the kidnapping and slaying of three Israeli teens last year, during a protest marking the first anniversary of Abu Khudair's killing, near the West Bank city of Ramallah July 2, 2015. (Photo by Mohamad Torokman/Reuters)

Palestinian journalists scuffle with Israeli border policemen during a protest marking the first anniversary of the killing of 16-year-old Palestinian Mohammed Abu Khudair, who was burnt in Jerusalem in a suspected revenge attack for the kidnapping and slaying of three Israeli teens last year, near the West Bank city of Ramallah July 2, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian protester falls on the ground after being pushed by Israeli border policemen during a protest marking the first anniversary of the killing of 16-year-old Palestinian Mohammed Abu Khudair, who was burnt in Jerusalem in a suspected revenge attack for the kidnapping and slaying of three Israeli teens last year, near the West Bank city of Ramallah July 2, 2015. (Photo by Mohamad Torokman/Reuters)

A natural gas powered North County San Diego transit bus travels through Encinitas, California June 26, 2015. Fifteen years ago, California led the way to cleaner transit buses with strict tailpipe emissions standards that effectively ushered out diesel as the primary fuel for buses in the state and replaced it with natural gas. Now, California is poised once again to take the lead, this time by mandating a switch to so-called “zero-emission” buses by 2040. (Photo by Mike Blake/Reuters)

A drummer dressed in traditional costume practices in the church before the entrance of Onda (sea wave) parish's horse “Osama Bin” to be blessed before the Palio horse race in Siena July 2, 2015. Each July 2 and August 16, almost without fail since the mid-1600s, 10 riders have hurtled bareback around Siena's shell-shaped central square in a desperate bid to win the Palio, a silk banner depicting the Madonna and child. (Photo by Max Rossi/Reuters)

People sing in the church as Onda (sea wave) parish's horse “Osama Bin” is blessed in the church before the Palio horse race in Siena July 2, 2015. (Photo by Max Rossi/Reuters)

Onda (sea wave) parish's horse “Osama Bin” is kissed by jokey Alberto Ricceri as he arrives in the church to be blessed before the Palio horse race in Siena July 2, 2015. (Photo by Max Rossi/Reuters)

Medics carry a man injured in a crossfire amid clashes between members of the anti-Houthi Popular Resistance Committees and Houthi fighters, in Yemen's southwestern city of Taiz July 2, 2015. (Photo by Reuters/Stringer)

A woman rests next to a fountain on a hot summer day in central Brussels, Belgium, July 2, 2015. The United Nations warned on Wednesday of the dangers posed by hot weather, especially to children and the elderly, as much of Europe sweltered in a heatwave whose intensity it blamed on climate change. (Photo by Yves Herman/Reuters)

The crew of a Basler BT-67 fixed wing aircraft release oil dispersant over an oil discharge from the mobile offshore drilling unit, Deepwater Horizon, off the shore of Louisiana, in this May 5, 2010 handout photograph. Picture taken, May 5, 2010. BP Plc announced July 2, 2015 it has reached a comprehensive $18.7 billion settlement with the U.S. government and five states, a landmark deal that effectively ends years of litigation over environmental damage and human casualties caused by the 2010 Gulf of Mexico spill. (Photo by Stephen Lehmann/Reuters/U.S. Coast Guard)

Ajla Tomljanovic of Australia hits a shot during her match against Agnieszka Radwanska of Poland at the Wimbledon Tennis Championships in London, July 2, 2015. (Photo by Toby Melville/Reuters)

A Palestinian boy lies at his family's house, that witnesses said was damaged by Israeli shelling during a 50-day war last summer, in the east of Gaza City June 26, 2015. Picture taken June 26, 2015. (Photo by Mohammed Salem/Reuters)

Residents and relatives of victims watch members of the Philippine Coast Guard attempting to recover the remains of the capsized vessel MBCA Kim-Nirvana during a search and rescue operations near a port in Ormoc city, central Philippines July 2, 2015. The ferry carrying 189 passengers and crew capsized off the central Philippines in heavy waves on Thursday, killing at least 36 people but the majority of those on board were rescued, the coast guard and police said. The MBCA Kim-Nirvana, a motorised outrigger with 173 passengers and 16 crew on board, capsized suddenly minutes after leaving the port of Ormoc. (Photo by Alan Kristofer Motus/Reuters)

A body is carried by rescuers during a search and rescue operation following a ferry capsize in Ormoc city, central Philippines July 2, 2015. (Photo by Reuters/Stringer)

Rescuers try to calm a passenger who said his pregnant wife and two children are still missing after the MBCA Kim-Nirvana ferry capsized in Ormoc city, central Philippines July 2, 2015. (Photo by Mitzi Llanes/Reuters)

Pakistan Army soldiers and rescue workers gather at the site after a train fell in a canal, near Gujranwala, Pakistan, July 2, 2015. A train carrying hundreds of Pakistan military personnel and their families plunged into a canal on Thursday, killing 12 soldiers, when a bridge collapsed in what the army suspects was sabotage, officials said. (Photo by Reuters/Stringer)

Supporters of the Greek Communist Party listen to a speech during a rally on Constitution (Syntagma) square, near the parliament building, in Athens, Greece, July 2, 2015. The International Monetary Fund delivered a stark warning on Thursday of the huge financial hole facing Greece as angry and uncertain voters prepare for a referendum that could decide their country's future in Europe. (Photo by Jean-Paul Pelissier/Reuters)

A contestant (L) waits before taking part in the annual high heels race during Gay Pride celebrations in Chueca quarter in Madrid, Spain, July 2, 2015. The winner of the race receives a prize of 500 euros ($555), according to the organisers. (Photo by Sergio Perez/Reuters)

Competitors runs during the Gay Pride High Heels race in Madrid, Spain, Thursday, July 2, 2015. (Photo by Andres Kudacki/AP Photo)

A resident reacts as a couple have their wedding picture taken on the Greek island of Santorini, Greece, July 2, 2015. The International Monetary Fund delivered a stark warning on Thursday of the huge financial hole facing Greece as angry and uncertain voters prepare for a referendum that could decide their country's future in Europe. (Photo by Cathal McNaughton/Reuters)

Dustin Brown of Germany celebrates after winning his match against Rafael Nadal of Spain at the Wimbledon Tennis Championships in London, July 2, 2015. (Photo by Stefan Wermuth/Reuters)

Union members of Empresas Polar's beer factory pass in front of a graffiti depicting U.S. President Barack Obama as they take part in a demonstration in Caracas, July 2, 2015. Union members said on Thursday they had shut two breweries belonging to the country's largest beer company over a wage dispute, setting the stage for a potential shortage in the alcohol-loving nation. Polar, which supplies up to 80 percent of the beer in the country, has four breweries in the Venezuela. (Photo by Jorge Dan Lopez/Reuters)

A car with the image of Venezuela's late President Hugo Chavez are see before a demonstration of union members of Empresas Polar's beer factory in Caracas, July 2, 2015. (Photo by Jorge Dan Lopez/Reuters)

A special parade featuring colorful illuminations was held on Wednesday (1 July 2015) night in the southern Chinese city of Fangchenggang to celebrate the 94th anniversary of the founding of the Communist Party of China (CPC). Thousands of local residents put on illuminous decorations to light up the event of jogging or skipping for 15km. (Photo by Imaginechina/Splash News)

Encounters of the special kind: Goslings go for a swim at the Brentanobad, joining pool-goers trying to cool down during the heatwave in Frankfurt, Germany, 02 July 2015. The high temperatures are predicted to last for a several days. (Photo by Laura Lewandowski/EPA)

Luise, 21 throws her wet hair in the air at the Strandbad Babelsberg in Potsdam, Germany, 02 July 2015. The summer is hitting above 30 degrees. (Photo by Ralf Hirschberger/EPA)

A rat searches for land mines and unexploded ordnance during a training session on July 2, 2015 in Siem Reap, Cambodia. The Cambodian Mine Action Center (CMAC) working with the Belgian NGO APOPO has recently begun testing the feasability of using large mine detection rats from Tanzania to help clear fields of mines and unexploded ordnance in one of the most bombed and mined countries in the world. (Photo by Taylor Weidman/Getty Images)

A mine detection rat is given banana as a reward after successfully identifying an inactive mine on July 2, 2015 in Siem Reap, Cambodia. (Photo by Taylor Weidman/Getty Images)

Female circus students practice for a performance on July 1, 2015 at Phare Ponleu Salpak in Battambang, Cambodia. Phare Ponleu Salpak is an organization providing free education and artistic training to Cambodian children. Students in the organization's circus program often go on to careers performing both internationally and domestically at venues like Phare – The Cambodian Circus in Siem Reap. (Photo by Taylor Weidman/Getty Images)

An aerial view shows sunbathers at the Maarsseveense Plassenaround recreational park in Utrecht, the Netherlands, on July 1, 2015, on a warm summer day. A blistering heatwave sweeping through Europe on July 1 brought blackouts to France and fears of heat stroke for Wimbledon tennis fans. (Photo by Robin van Lonkhuijsen/AFP Photo)

Su-27 jets of aerobatics team “Russkiye Vityasy”, or Russian Knights perform during the International Maritime Defence show in St.Petersburg, Russia, Thursday, July 2, 2015. (Photo by Dmitry Lovetsky/AP Photo)

A Su-27 jet of aerobatics team “Russkiye Vityasy”, or Russian Knights performs during the International Maritime Defence show in St.Petersburg, Russia, Thursday, July 2, 2015. (Photo by Dmitry Lovetsky/AP Photo)

L-39 jets of the “Russkiye Vityasy” aerobatic team create by smoke a heart pierced by an arrow during an air show at the International Maritime Defence show in St.Petersburg, Russia, Thursday, July 2, 2015. (Photo by Dmitry Lovetsky/AP Photo)

People look at flowers laid in memory of Britain's Sir Nicholas Winton on German-born Jewish sculptor Frank Meisler's “Kindertransport” (German for children transport) memorial statue outside Liverpool Street Station in London, Thursday, July 2, 2015. Winton, a humanitarian who almost single-handedly saved more than 650 Jewish children from the Holocaust, earning himself the label “Britain's Schindler”, has died aged 106. Winton arranged trains to carry children from Nazi-occupied Prague to Britain, battling bureaucracy at both ends and saving them from almost certain death. (Photo by Matt Dunham/AP Photo)

In this June 30, 2015 photo, a vintage PBY-6A flying boat rests on the sandy bottom of the Gulf of Mexico, just off the shore near Orange Beach, Ala. The aircraft took on water and became stranded while it was being used in the filming of the Nicolas Cage movie “USS Indianapolis: Men of Courage”. (Photo by Brian Kelly/Al.com via AP Photo)

In this June 30, 2015 photo, a man stands on a vintage PBY-6A flying boat as it rests on the sandy bottom of the Gulf of Mexico just off the shore near Orange Beach, Ala. (Photo by Brian Kelly/Al.com via AP Photo)

Supporters of the No vote hang a banner reading in Greek and English “NO to austerity and fear” referring to the upcoming referendum atop of Lycabettus hill in Athens, Thursday, July 2, 2015. The battle for Greek votes entered full swing Thursday ahead of a crucial weekend referendum that could decide whether the country falls out of the euro. (Photo by Antonis Nikolopoulos/Eurokinissi via AP Photo)

Panda toys are seen in the panda house of the Siberian Tiger Park, July 1, 2015, in Changchun, China. (Photo by Getty Images/ChinaFotoPress)

Many buildings in the downtown Alton, Ill., area near the river are currently pumping thousands of gallons a day out of their basements due to the floodwaters from the Mississippi River, like this building at the corner of State Street and Sugar Alley Wednesday July 1, 2015. Only semi-trucks, background, are passing through the floodwaters currently covering West Broadway in front of the Ardent Mills. The river has crested but many officials are concerned that further rains may keep pushing the water levels higher. (Photo by John Badman/The Telegraph via AP Photo)

Indian bystanders walk on a landslide affected roadway in the village of Gayabari some 23 kms from Siliguri on July 2, 2015, after landslides struck the eastern state of West Bengal. Landslides triggered by heavy rain killed at least 30 people across India's famed tea-growing region of Darjeeling, with more feared trapped under mounds of mud and debris, police said. Rescuers were digging through tonnes of sludge searching for residents after overnight landslides struck homes built on slopes in the towns of Mirik, Kalimpong and Darjeeling in West Bengal state. (Photo by Diptendu Dutta/AFP Photo)

President Barack Obama stops with an umbrella to protect from the rain to pick up Kelly Bryant at her home in Nashville, Tenn., Wednesday, July 1, 2015, en route to Taylor Stratton Elementary School, where he is to speak about the Affordable Care Act. (Photo by Carolyn Kaster/AP Photo)

Princes the cat spent time on the American river with owner, Ashley Toccati, right, and her friend Kasandra Mullen, at Discovery Park, Wednesday, July 1, 2015, in Sacramento, Calif. (Photo by Rich Pedroncelli/AP Photo)