Indian schoolchildren hold masks bearing the image of former Indian president A.P.J Kalam ahead of the first anniversary of his death during a remembrance event at a school in Chennai on July 26, 2016. Former Indian president and Kalam, who played a lead role in the country's nuclear weapons tests, died on July 27, 2015. (Photo by Arun Sankar/Reuters)





Hooded Police officers conduct a search in Saint-Etienne-du-Rouvray, Normandy, France, following an attack on a church that left a priest dead, Tuesday, July 26, 2016. Two attackers invaded a church Tuesday during morning Mass near the Normandy city of Rouen, killing an 84-year-old priest by slitting his throat and taking hostages before being shot and killed by police, French officials said. (Photo by Francois Mori/AP Photo)





French soldiers and a police officer stand guard as they prevent the access to the scene of an attack in Saint Etienne du Rouvray, Normandy, France, Tuesday, July 26, 2016. (Photo by Francois Mori/AP Photo)





This Tuesday, September 14, 2004 file photo shows Malik Obama, the older brother of US President Barack Obama, who holds an undated picture of Barack, left, and himself, center, and an unidentified friend in his shop in Siaya, eastern Kenya. A Kenyan half-brother of President Barack Obama says he will vote for Republican presidential nominee Donald Trump and not the candidate his brother has endorsed, Hillary Clinton. Malik Obama told The Associated Press on Tuesday that he thinks Trump has a lot of energy and is very straightforward. (Photo by Karel Prinsloo/AP Photo)





A woman runs past a Brazilian soldiers' vehicle as they patrol along Ipanema Beach, ahead of the Rio 2016 Olympic Games, in Rio de Janeiro, Brazil July 25, 2016. (Photo by Ivan Alvarado/Reuters)





Brazilian soldiers patrol along Ipanema Beach ahead of the Rio 2016 Olympic Games in Rio de Janeiro, July 25, 2016. (Photo by Ivan Alvarado/Reuters)





Street performers dance along Copacabana Beach in Rio de Janeiro, less than two weeks before the start of the Rio 2016 Olympic Games, July 25, 2016. (Photo by Stoyan Nenov/Reuters)





Palestinians watch as Israeli machinery demolish a Palestinian house in the West Bank village of Qalandia near Ramallah July 26, 2016. Israeli authorities demolished a dozen Palestinian homes in Qalandia, according to Palestinian sources. Witnesses added that shortly after midnight, a convoy of dozens of military vehicles and Israeli bulldozers stormed the resort, before demolishing 11 houses. (Photo by Mohamad Torokman/Reuters)





Masked demonstrators shout slogans next to a burning tyre during a protest in Srinagar against the recent killings in Kashmir, July 26, 2016. (Photo by Danish Ismail/Reuters)





A fighter of Libyan forces allied with the U.N.-backed government fires a 81 mm mortar round in Sirte, Libya, July 26, 2016. (Photo by Goran Tomasevic/Reuters)





Sweden's Peter Ljung, Australia's Jason Doyle and Germany's Kevin Wolbert during heat 5 of the Speedway Team World Championship, Event 2 at the Stena Arena in Vastervik, Sweden July 26, 2016. (Photo by Mikael Fritzon/Reuters/TT News Agency)





Four F22 Raptors fly in formation after a mid-air refueling exercise with a KC-135R Stratotanker as they participate in the multi-national military exercise RIMPAC in Honolulu, Hawaii, July 26, 2016. (Photo by Hugh Gentry/Reuters)





Jordanian police officers patrol during the Jerash Festival of Culture and Arts in the ancient city of Jerash, north of Amman, Jordan, July 26, 2016. (Photo by Muhammad Hamed/Reuters)





Young women from France are among the dozens of thousands of young people from around the globe walking in thunderstorm to the site of a Catholic Mass in the Blonia green in Krakow, Poland, Tuesday, July 26, 2016 that will officially open the World Youth Day, a major gathering of Catholics that will be joined by Pope Francis on Wednesday. (Photo by Czarek Sokolowski/AP Photo)





Pilgrims dance during World Youth Day in Krakow, Poland July 26, 2016. (Photo by Michal Lepecki/Reuters/Agencja Gazeta)





Hand-held fireworks blast into the night sky during a traditional firework festival in Aichi prefecture, Toyohashi, Japan on July 26, 2016. (Photo by Hidenbou Suzuki/Barcroft Image)





A woman confesses her sins to a priest as Catholics attend the “Grand Pardon” religious procession on July 26, 2016 in Sainte-Anne-d'Auray, western France. This Catholic pilgrimage, which exists since 1625, is the most important of Brittany. (Photo by /AFP Photo)





Cameleers compete in a race during the Sydney Camel Racing Carnival, at Bankstown Paceway, in Sydney, Australia, 26 July 2016. The annual three-day event features one-humped Dromedary camels who are competitively ridden by camel jockeys, known as “cameleers”. (Photo by Dan Himbrechts/EPA)





An aerial view shows people strolling through a crop circle on a field near Mammendorf, southern Germany, on July 26, 2016. The pattern has a diameter of 180 meters. (Photo by Sven Hoppe/AFP Photo/DPA)





A picture made available on 26 July 2016 shows dense smoke over Lithi village during a wildfire on Chios island, Greece, 25 July 2016. The huge wildfire that broke out early 25 July 2016, on the island of Chios which has burned 3,500 hectares of forest and farm land, set under control. Over 90 percent of the mastic trees at the villages of Lithi, Elata and Vessa were destroyed while a large number of mastic trees were burned at the villages of Mesta, Armolia and Pyrgi. (Photo by Kostas Koyrgias/EPA)





A picture made available on 26 July 2016 shows dense smoke over Lithi village during a wildfire on Chios island, Greece, 25 July 2016. (Photo by Kostas Koyrgias/EPA)





This frame grab from Australian Broadcasting Corporation's (ABC) Four Corners program broadcast in Australia on July 25, 2016 and released on July 26, 2016 allegedly shows a teenage boy hooded and strapped into a chair at a youth detention centre in the Northern Territory city of Darwin. The Australian government ordered an inquiry on July 26 after graphic evidence emerged of prison guards assaulting teenage boys, with one shown hooded and shackled in scenes likened to Guantanamo Bay. (Photo by AFP Photo/Australian Broadcasting Corp)





Washington Redskins Linebacker Ryan Kerrigan and the Washington Nationals Racing Presidents help launch the Washingtn D.C. leg of the Good Humor Welcome to Joyhood Tour at the Ronald Reagan Building on July 26, 2016 in Washington, DC. (Photo by Larry French/Getty Images for Good Humor)





A young woman holds her smartphone at Red Square with the Kremlin's Spasskaya Tower, right, and St. Basil Cathedral, center, in the background in Moscow, Russia, Monday, July 25, 2016. (Photo by Pavel Golovkin/AP Photo)