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High school students take the philosophy exam, the first test session of the 2016 baccalaureate (high school graduation exam) on June 15, 2016 at the...

Argentinian soldiers of the United Nations Peacekeeping Force in Cyprus offer a pack of herbs to prepare traditional drink "mate" to Pope Francis at t...

Pope Francis gestures at the end of his weekly general audience at St Peter's square on June 15, 2016 in Vatican. / AFP PHOTO / ALBERTO PIZZOLI

Pope Francis gestures at the end of his weekly general audience at St Peter's square on June 15, 2016 in Vatican. / AFP PHOTO / ALBERTO PIZZOLI

Pope Francis gestures at the end of his weekly general audience at St Peter's square on June 15, 2016 in Vatican. / AFP PHOTO / ALBERTO PIZZOLI

Supporters of the EU Remain camp attach banners to Tower Bridge as they await a flotilla of fishing boats campaiging for Brexit to pass under the brid...

A boat carrying supporters for the Remain in the EU campaign shout and wave at Brexit fishing boats as they sail up the river Thames in central London...

A boat carrying supporters for the Remain in the EU campaign including Sir Bob Geldoff (C) shout and wave at Brexit fishing boats as they sail up the...

A boat carrying supporters for the Remain in the EU campaign including Sir Bob Geldoff (C) shout and wave at Brexit fishing boats as they sail up the...

This handout picture released by the Vatican press office shows Pope Francis (L) speaking with Dutch Prime Minister Mark Rutte during a meeting on Ju...

Britain's Chancellor of the Exchequer George Osborne (L) and former Chancellor Alistair Darling attend a pro-Remain event at the Hitachi Rail Europe p...

A pro-Remain inflatable dinghy sails in front of a flotilla of fishing vessels campaigning to leave the European Union as it sails up the river Thames...

UK Independence party leader Nigel Farage (R) and Labour party MP Kate Hoey pose on a passenger boat as they accompany a Brexit flotilla of fishing bo...

A boat carrying supporters for a ' remain' vote in the EU referendum including Irish singer Bob Geldof (C) demonstrate counter to a fleet of fishing b...

A boat carrying supporters for a ' remain' vote in the EU referendum including Irish singer Bob Geldof (C) shout and wave at fishing boats supporting...

A boat decorated with flags and banners from the 'Fishing for Leave' group campaigning for a 'leave' vote in the EU referendum sail under Westminster...

Boatsd decorated with flags and banners from the 'Fishing for Leave' group that are campaigning for a 'leave' vote in the EU referendum sail by the Br...

A boat decorated with flags and banners from the 'Fishing for Leave' group that are campaigning for a 'leave' vote in the EU referendum sails by the B...

Campaigners to remain in the EU unfurl a banner on Westminster Bridge as a bus bearing the face of UKIP leader Nigel Farage and a message urging voter...

Orange County Sheriff Jerry Demings speaks at a press conference near the scene where a two-year-old boy was attacked by an alligator at Disney's Gran...

International Olympic Committee president Thomas Bach (C) delivers a speech next to Rio de Janeiro's Mayor Eduardo Paes during the inauguration of the...

International Olympic Committee (IOC) Coordination Commission Chairperson, Nawal El Moutawakel (L), speaks with Rio de Janeiro's Mayor Eduardo Paes (R...

View of the athletes Olympic Village during its inauguration for the Rio Olympic Games in Rio de Janeiro, Brazil, on June 15, 2016. / AFP PHOTO / BETH...

View of the athletes Olympic Village during its inauguration for the Rio Olympic Games in Rio de Janeiro, Brazil, on June 15, 2016. / AFP PHOTO / BETH...

Federal Reserve Chair Janet Yellen speaks at a news conference following the Federal Open Market Committee meeting in Washington on June 15, 2016. Th...

People gather on Terreaux square in Lyon, central-eastern France, on June 15, 2016, to pay tribute for the victims of the Orlando shooting in Florida....

A woman holds an European Union flag in front of the Greek parliament in Athens on June 15, 2016 during a demonstration against the government of Alex...

British Prime Minister David Cameron (R) and First Minister of Wales Carwyn Jones (L) pose for a photograph as they arrive to take part in a remain in...

Screen grab from a handout video released on June 15, 2016 by the Argentinian police showing money, weapons, jewels and other objects seized to former...

Screen grab from a handout video released on June 15, 2016 by the Argentinian police showing money, weapons, jewels and other objects seized to former...

A protestor uses an improvised slingshot to throw a balloon of coloured paint on the government building during an anti-government protest in Skopje o...

Republican presidential candidate Donald Trump speaks during a campaign rally at the Greensboro Coliseum in Greensboro, N.C., Tuesday, June 14, 2016....

Republican presidential candidate Donald Trump gives a thumbs up to the crowd as he leaves the stage after a campaign rally at the Greensboro Coliseum...

Mourners pray during a vigil in Washington, Monday June 13, 2016, hosted by the Muslim American Women's Policy Forum, in memory of the victims of the...

A person lays flowers at a makeshift memorial for the Orlando shooting victims in front of the Stonewall Inn, a historic gay bar, during a vigil for t...

Austin Matthew, right, embraces Austin Hagge during a candlelight vigil downtown for the victims of a mass shooting at the Pulse nightclub Monday, Jun...

People hold candles during a vigil to honor Christina Grimmie, the 22-year-old singer who was fatally shot Friday night after a concert in Florida, Mo...

Marcus Grimmie, reaches toward the sky as he talks about his sister Christina Grimmie the 22-year-old singer who was fatally shot Friday night after a...

People stand near a large photograph as they hold candles during a vigil to honor Christina Grimmie, the 22-year-old singer who was fatally shot Frida...

Naia Poyer, center, and Evelyn Swift Shuker, right gather with others for a vigil in memory of the victims of the Orlando, Fla., worst mass shooting i...

Oscar Pistorius wipes his face with a cloth as appears in the High Court in Pretoria, South Africa, Tuesday, June 14, 2016 on the second day of his se...

Nazer Bullen wears an ornate hat on the first day of the Royal Ascot horse race meeting at Ascot, England, Tuesday, June 14, 2016. (AP Photo/Alastair...

U.S. Secretary of Defense Ash Carter, left, walks with NATO Secretary General Jens Stoltenberg prior to a meeting at NATO headquarters in Brussels on...

Rhonda Rodeffer, right, walks with her daughter Kennedy, 4, as they visit a makeshift memorial for the victims of a mass shooting at the Pulse nightcl...

Amy Semesco, left, wipes a tear, while visiting a makeshift memorial for the victims of a mass shooting at the Pulse nightclub with Bree Balchunas on...

Oscar Pistorius, is escorted by police officers as members of the public take photos with their mobile phones outside the High Court in Pretoria, Sout...

Opposition supporters stand by burning barricades set up in protest over a pro-government MP whom they allege made offensive remarks about the opposit...

People cool themselves at a stream in suburbs of Islamabad to beat the heat as temperatures reached 40 Celsius (104F) in Islamabad during the holy fas...

Democratic presidential candidate Hillary Clinton arrives to speak at a rally at the International Brotherhood of Electrical Workers Circuit Center in...

A fan leaves a tribute to Gordie Howe, the man known as Mr. Hockey, outside Joe Louis Arena, the home of the Detroit Red Wings, his team for much of h...