Riot security forces clash with demonstrators as a motorcycle is set on fire during a protest against Venezuelan President Nicolas Maduro's government in San Cristobal, Venezuela May 29, 2017. REUTERS/Carlos Eduardo Ramirez 

French President Emmanuel Macron (R) and Russian President Vladimir Putin (L) give a joint press conference at the Chateau de Versailles before the opening of an exhibition marking 300 years of diplomatic ties between the two countries in Versailles, France, May 29, 2017. REUTERS/Philippe Wojazer 

A girl leaves a message at a makeshift memorial for two men who were killed on a commuter train while trying to stop another man from harassing two young women who appeared to be Muslim, in Portland, Oregon, U.S. May 29, 2017. REUTERS/Terray Sylvester TPX IMAGES OF THE DAY 

Deputy of the opposition Carlos Paparoni is hit by a jet of water during clashes at a march to the state Ombudsman's office in Caracas, Venezuela May 29, 2017. REUTERS/Carlos Garcia Rawlins TPX IMAGES OF THE DAY 

A Philippine Marine fires his weapon towards the stronghold of Maute group in Marawi City, southern Philippines May 30, 2017. REUTERS/Erik De Castro TPX IMAGES OF THE DAY 

German Chancellor Angela Merkel gestures next to Indian Prime Minister Narendra Modi at the end of their news conference at the Chancellery in Berlin, Germany, May 30, 2017. REUTERS/Hannibal Hanschke 

A boy cools off with others with water from water lines after they punctured them in protest against the power outages in their area, in Karachi, Pakistan May 30, 2017. REUTERS/Akhtar Soomro TPX IMAGES OF THE DAY 

Firefighters watch a helicopter make a water drop on a wildfire burning behind the Getty Center in Mandeville Canyon in Los Angeles, California, U.S., May 28, 2017. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY 

Egyptian American Muslim Hager Elhariry, 24, looks at her smartphone while standing on her patio before Iftar dinner and breaking the fast during Ramadan, in Manalapan, New Jersey, U.S. May 28, 2017. Picture taken on May 28, 2017. REUTERS/Amr Alfiky 

Army members hold the U.S. flag as they attend an annual Memorial Day commemoration ceremony to honor the men and women who made the ultimate sacrifice while serving in the United States Armed Forces, at the Intrepid museum in New York, U.S., May 29, 2017. REUTERS/Eduardo Munoz 

A view of a part of western Mosul, Iraq May 29, 2017. REUTERS/Alkis Konstantinidis 

People attend a vigil for the victims of last week's attack at a pop concert at Manchester Arena, in central Manchester, Britain May 29, 2017. REUTERS/Andrew Yates 

Pope Francis exchanges gifts with Canada's Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau during a private audience at the Vatican, May 29, 2017. REUTERS/Ettore Ferrari/pool 

An Iraqi Federal Police member fires an RPG towards Islamic State militants during a battle in western Mosul, Iraq, May 28, 2017. REUTERS/Alaa Al-Marjani TPX IMAGES OF THE DAY 

People watch a television broadcasting a news report on North Korea firing what appeared to be a short-range ballistic missile, at a railway station in Seoul, South Korea, May 29, 2017. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY 

A view of the Maute group stronghold with an ISIS flag in Marawi City in southern Philippines May 29, 2017. REUTERS/Erik De Castro TPX IMAGES OF THE DAY 

A demonstrator jumps away from a jet of water during riots at a march to state Ombudsman's office in Caracas, Venezuela May 29, 2017. REUTERS/Carlos Barria TPX IMAGES OF THE DAY