Larry, the cat of British Prime Minister David Cameron, sits on the step outside 10 Downing Street in London on May 9, 2015. Britain awoke to a new political landscape after a shock election victory for Prime Minister David Cameron that decapitated the opposition and bolstered secessionists in Scotland. AFP PHOTO/JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
MOSCOW, RUSSIA - JULY 20, 2016: A monument to the founder of the city of Oryol, Tsar Ivan the Terrible of Russia, at the Art Project creative workshop. The monument is to be installed in front of Oryol's Young Spectator's Theatre in August 2016 marking the 450th anniversary of the city upon the initiative of Oryol Region Governor Vadim Potomsky. Sergei Savostyanov/TASS (Photo by Sergei SavostyanovTASS via Getty Images)
RIO DE JANEIRO, BRAZIL - FEBRUARY 08: A Rio Olympics 2016 car is seen before the first day of parades of the panel's Carnival in Rio de Janeiro on Marques de Sapucai Sambadromo on February 08, 2016 in Rio de Janeiro, Brazil. (Photo by William Volcov/Brazil Photo Press/LatinContent/Getty Images)
Police secures the entrance to a subway station near a shopping mall where a shooting took place on July 22, 2016 in Munich.
Several people were killed on Friday in a shooting rampage by a lone gunman in a Munich shopping centre, media reports said / AFP / dpa / Lukas Schulze / Germany OUT (Photo credit should read LUKAS SCHULZE/AFP/Getty Images)
TOPSHOT - Policemen walk on the site where a truck drove into a crowd watching a fireworks display on the Promenade des Anglais seafront in the French Riviera town of Nice on July 15, 2016.
An attack in Nice where a man rammed a truck into a crowd of people left 84 dead and another 18 in a "critical condition", interior ministry spokesman Pierre-Henry Brandet said Friday. An unidentified gunman barrelled the truck two kilometres (1.3 miles) through a crowd that had been enjoying a fireworks display for France's national day before being shot dead by police.
/ AFP / Valery HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)
MOSCOW, RUSSIA - AUGUST 13: Elena Isinbaeva of Russia fails at an attempt after winning gold in the Women's pole vault final during Day Four of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 13, 2013 in Moscow, Russia. (Photo by Paul Gilham/Getty Images)
BOULDER, CO - OCTOBER 28: Presidential candidate Donald Trump gives a thumbs up during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
387921 03: Ash, Pikachu and Misty (background) in 4Kids Entertainment's animated adventure "Pokemon3," distributed by Warner Bros. Pictures. (Photo by Warner Bros. Pictures)
CLEVELAND, OH - JULY 18: Melania Trump, wife of Presumptive Republican presidential nominee Donald Trump, delivers a speech on the first day of the Republican National Convention on July 18, 2016 at the Quicken Loans Arena in Cleveland, Ohio. An estimated 50,000 people are expected in Cleveland, including hundreds of protesters and members of the media. The four-day Republican National Convention kicks off on July 18. (Photo by Alex Wong/Getty Images)
LONDON, ENGLAND - JULY 19: Britain's Foreign Secretary Boris Johnson (L) and U.S. Secretary of State John Kerry joke together during a press conference at the Foreign and Commonwealth Office on July 19, 2016 in London, England. The Foreign Secretary met with John Kerry to discuss the importance of the 'Special Relationship' after the UK voted to leave the EU in the June referendum. (Photo by Kirsty Wigglesworth - WPA Pool / Getty Images)
OLYMPIA, GREECE - MARCH 24: The Olympic flag flies during the Olympic flame ceremony rehearsal on March 24, 2004 in Olympia, Greece. (Photo by Todd Warshaw/Getty Images)
Turkish foreign minister Mevlut Cavusoglu listends to the Portuguese foreign minister during a press conference following their meeting at Necessidades Palace in Lisbon on July 27, 2015. After months of hesitation, Turkey started to take decisive action against Islamic State jihadists and has seized the chance to also attack Kurdish militants in strikes that put a fragile peace process at risk. AFP PHOTO / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
PARIS, FRANCE - JULY 15: French Prime Minister Manuel Valls makes a statement to the press after a Security and Defense Council, chaired by French President Francois Hollande at the Elysee Palace on July 15, 2016 in Paris, France. The Security Council was held after yesterday's attack by Mohamed Lahouaiej Bouhlel, a Tunisian-born Frenchman, after he drove a lorry through crowds gathered to watch a firework display during Bastille Day celebrations on the Promenade des Anglais in leaving 84 dead and many more injured in Nice. (Photo by Nicolas Kovarik/IP3/Getty Images)
RIO DE JANEIRO, BRAZIL - JUNE 08: Workers stand at an entrance to the Olympic Park construction site on June 8, 2015 in the Barra da Tijuca neighborhood of Rio de Janeiro, Brazil. Approximately 90 percent of residents of the nearby Vila Autodromo 'favela' community have moved out after receiving compensation for their properties which are located directly adjacent to the park being built for the Rio 2016 Olympic Games. A small remaining number of residents are resisting eviction from the community. (Photo by Mario Tama/Getty Images)