Signage is seen at the offices of Israeli driving assistant software maker Mobileye NV in Jerusalem September 14, 2016. REUTERS/Ronen Zvulun

U.S. first lady Michelle Obama waves as she appears onstage during the first session at the Democratic National Convention in Philadelphia, Pennsylvania, U.S., July 25, 2016. REUTERS/Jim Young/File Photo

U.S. First lady Michelle Obama addresses the Democratic National Convention in Philadelphia, Pennsylvania, U.S. July 25, 2016. REUTERS/Gary Cameron

Former British Prime Minister Gordon Brown speaks at a rally at Birmingham University in Birmingham, Britain June 22, 2016. REUTERS/Andrew Yates

A car exits the Rikers Island Correctional facility in New York March 12, 2015. REUTERS/Brendan McDermid

A Starbucks cafe is pictured in Paris, France, August 4, 2016. REUTERS/Jacky Naegelen

Football Soccer - Caen v Paris Saint Germain - French Ligue 1 - Michel d'Ornano stadium in Caen, France - 16/09/16. Paris' Edinson Cavani celebrates his fourth goal. REUTERS/Charles Platiau

An employee poses for photographs with Samsung Electronics' Galaxy Note 7 new smartphone at its store in Seoul, South Korea, September 2, 2016. REUTERS/Kim Hong-Ji/File Photo