Cast members Lena Headey (L) and Emilia Clarke are shown in this combination photo at they attend the premiere for the sixth season of HBO's "Game of Thrones" in Los Angeles April 10,, 2016. REUTERS/Phil McCarten/File Photos

Kevin Garratt, a Canadian held in China for two years on suspicion of spying, hugs his wife Julia Garratt after being deported by Chinese authorities, in Vancouver, British Columbia, Canada, in this handout picture taken and released by the Garratt family September 15, 2016. Courtesy of the Garratt Family/Handout via Reuters

(L-R) Croatia's Prime Minister Tihomir Oreskovic, Germany's Chancellor Angela Merkel and Austria's Chancellor Christian Kern arrive to pose for a family photo during the European Union summit - the first one since Britain voted to quit - in Bratislava, Slovakia, September 16, 2016. REUTERS/Yves Herman

French President Francois Hollande and German Chancellor Angela Merkel attend a joint news conference after the European Union summit- the first one since Britain voted to quit- in Bratislava, Slovakia, September 16, 2016. REUTERS/Leonhard Foeger

George Zimmerman listens to the judge during his first-appearance hearing in Sanford, Florida November 19, 2013. REUTERS/Joe Burbank/Orlando Sentinel/Pool

Nigerian President Muhammadu Buhari listens as British Prime Minister Cameron opens the international anti-corruption summit on May 12, 2016 in London, England. REUTERS/Dan Kitwood/Pool

Smoke rises over a damaged site as Civil Defence members try to put out a fire after an airstrike on al-Jalaa street in the rebel held city of Idlib, Syria. REUTERS/Ammar Abdullah

Republican presidential nominee Donald Trump gestures as he speaks to the Economic Club of New York luncheon in Manhattan, New York, U.S., September 15, 2016. REUTERS/Mike Segar