A Somali soldier helps a civilian who was wounded in a blast in the capital of Mogadishu, Somalia, Saturday, October 14, 2017. A huge explosion from a truck bomb has killed at least 20 people in Somalia's capital, police said Saturday, as shaken residents called it the most powerful blast they'd heard in years. (Photo by Farah Abdi Warsameh/AP Photo)





Somalis remove the body of a man killed in a blast in the capital Mogadishu, Somalia Saturday, October 14, 2017. (Photo by Farah Abdi Warsameh/AP Photo)





CalFire firefighters monitor a firing operation as they battle the Tubbs Fire on October 12, 2017 near Calistoga, California. At least thirty one people have died in wildfires that have burned tens of thousands of acres and destroyed over 3,500 homes and businesses in several Northen California counties. (Photo by Justin Sullivan/Getty Images)





Fire burns from an open gas valve near the pool area at the Journey's End trailer park on Monday, October 9, 2017, in Santa Rosa, Calif., after a wildfire destroyed nearly all of the roughly 160 units in the park for residents over age 55. The homes next to U.S. Highway 101 at the northern end of this city of 175,000 were among those that were consumed by flames as more than a dozen fires burned statewide. (Photo by Ben Margot/AP Photo)





Coffey Park homes burn early Monday October 9, 2017 in Santa Rosa, Calif. More than a dozen wildfires whipped by powerful winds been burning though California wine country. The flames have destroyed at least 1,500 homes and businesses and sent thousands of people fleeing. (Photo mby Kent Porter/The Press Democrat via AP Photo)





Wine stains are seen on a fermentation tank at Paradise Ridge Winery after being destroyed by the Tubbs Fire in Santa Rosa, California on Octoner 12, 2017. (Photo by Stephen Lam/Reuters)





People cross the Espiritu Santo river during heavy rains more than two weeks after Hurricane Maria hit the island, on October 8, 2017 in Palmer, Puerto Rico. Only 11.7 percent of Puerto Rico's electricity has been restored and some residents are going to the river to bathe, wash clothes, gather water and/or cool off. The area borders the El Yunque National Forest, the United States' only tropical rainforest, which was heavily damaged by the hurricane. Puerto Rico experienced widespread damage including most of the electrical, gas and water grid as well as agriculture after Hurricane Maria, a category 4 hurricane, swept through. (Photo by Mario Tama/Getty Images)





Yanira Rios collects spring water for her house nearly three weeks after Hurricane Maria hit the island, on October 10, 2017 in Utuado, Puerto Rico. Her house and most of the municipality is without running water or grid power. Only 16 percent of Puerto Rico's grid electricity has been restored. Puerto Rico experienced widespread damage including most of the electrical, gas and water grid as well as agriculture after Hurricane Maria, a category 4 hurricane, swept through. (Photo by Mario Tama/Getty Images)





A couple walks by a damaged tree in the Hurricane Maria affected area of Old San Juan, Puerto Rico on Octoner 13, 2017. (Photo by Shannon Stapleton/Reuters)





A student argues with police during a general strike in Medellín, Colombia on October 12, 2017. (Photo by Joaquin Sarmiento/AFP Photo)





Blankets and coverlets are hanged on bridge railing to dry before the winter season in Catak district of Van on October 13, 2017. (Photo by Ozkan Bilgin/Anadolu Agency/Getty Images)





A man fishes on a flooded road after a tropical depression in Hanoi, Vietnam on Octoner 13, 2017. (Photo by Reuters/Kham)





Men evacuate a woman through a flooded road after a tropical depression in Hanoi, Vietnam on Octoner 13, 2017. (Photo by Reuters/Kham)





Mara Salvatrucha (MS-13) gang members wait to be escorted upon their arrival at the maximum-security jail in Zacatecoluca, El Salvador on Octoner 13, 2017. (Photo by Jose Cabezas/Reuters)





Rescuers pull the wreckage of a propeller-engine cargo plane after it crashed in the sea near the international airport in Ivory Coast's main city, Abidjan on October 14, 2017. An Antonov cargo plane that crashed off Ivory Coast October 14, was chartered by the French army as part of the anti- jihadist Operation Barkhane, military sources said. The four dead are Moldovan and six other people, including French nationals, were injured in the crash of the aircraft which had 10 people on board, Colonel Issa Sakho, an Ivorian firefighter, told local television. (Photo by Luc Gnago/Reuters)





A French soldier looks into the wreckage of a crashed Antonov An-26 cargo plane as it is pulled to the shore near Abidjan, Ivory Coast, 14 October 2017. A chartered Valan Air aircraft crashed into the sea just after taking off from Abijan during a storm. At least four people were killed in the crash and six other people injured. (Photo by Legnan Koula/EPA/EFE)





People gather to look at the remains of a cargo plane that crashed in the sea near the international airport in Ivory Coast's main city, Abidjan on October 14, 2017. (Photo by Luc Gnago/Reuters)





French soldiers and rescuers prepare to pull the remains of a cargo plane that crashed in the sea near the international airport in Ivory Coast's main city, Abidjan on October 14, 2017. (Photo by Luc Gnago/Reuters)





Rescuers pull the wreckage of a cargo plane out of sea after it crashed near the international airport in Abidjan on October 14, 2017. (Photo by Ange Aboa/Reuters)





French soldiers and rescuers prepare to pull the remains of a cargo plane that crashed in the sea near the international airport in Ivory Coast's main city, Abidjan on October 14, 2017. (Photo by Luc Gnago/Reuters)





Women wearing Belarusian traditional clothing sing a song as they take part in a national festival marking the end of harvest collection in the town of Smolevichi, Belarus, 30 kilometers (19 miles) east of the capital Minsk, on Saturday, October 7, 2017. (Photo by Sergei Grits/AP Photo)





(L-R) Canadian Prime Minister Justin Trudeau, U.S. President Donald Trump, first lady Melania Trump and Sophie Gregoire Trudeau pose for photographs at the White House October 11, 2017 in Washington, DC. The United States, Canada and Mexico are currently engaged in renegotiating the 25-year-old North American Free Trade Agreement. (Photo by Chip Somodevilla/Getty Images)





Rohingya refugees wade after crossing the Naf river from Myanmar into Bangladesh in Whaikhyang on October 9, 2017. A top UN official said on October 7 Bangladesh' s plan to build the world' s biggest refugee camp for 800,000- plus Rohingya Muslims was dangerous because overcrowding could heighten the risks of deadly diseases spreading quickly. The arrival of more than half a million Rohingya refugees who have fled an army crackdown in Myanmar' s troubled Rakhine state since August 25 has put an immense strain on already packed camps in Bangladesh. (Photo by Fred Dufour/AFP Photo)





Rohingya refugee cries as she walks after crossing the Naf river from Myanmar into Bangladesh in Whaikhyang on October 9, 2017. A top UN official said on October 7 Bangladesh's plan to build the world's biggest refugee camp for 800,000-plus Rohingya Muslims was dangerous because overcrowding could heighten the risks of deadly diseases spreading quickly. The arrival of more than half a million Rohingya refugees who have fled an army crackdown in Myanmar's troubled Rakhine state since August 25 has put an immense strain on already packed camps in Bangladesh. (Photo by Fred Dufour/AFP Photo)





A dancer performs during Portuguese designer Teresa Martins for TM Collection during her runway show at the 41st edition of the Portugal Fashion Event in Lisbon, Portugal, 14 October 2017. (Photo by Jose Sena Goulao/EPA/EFE)





Tourists take photographs from a panoramic lookout on Victoria Peak during windy weather brought by typhoon Khanun in Hong Kong, China, 15 October 2017. The Hong Kong Observatory issued the No 8 storm signal on 15 October as typhoon Khanun was expected to pass within 200km of Hong Kong. (Photo by Erome Favre/EPA/EFE)





Tourists take photographs from a panoramic lookout on Victoria Peak during windy weather brought by typhoon Khanun in Hong Kong, China, 15 October 2017. (Photo by Erome Favre/EPA/EFE)