A Palestinian man reads a newspaper outside his store in Gaza City September 19, 2016. REUTERS/Ibraheem Abu Mustafa

European-Commissioner-designate Julian King attends a hearing ahead of a vote to approve his appointment as Security Commissioner at the European Parliament in Strasbourg, France, September 12, 2016. REUTERS/Vincent Kessler

European-Commissioner-designate Julian King attends a hearing ahead of a vote to approve his appointment as Security Commissioner at the European Parliament in Strasbourg, France, September 12, 2016. REUTERS/Vincent Kessler

An illustration picture shows the logo of car-sharing service app Uber on a smartphone next to the picture of an official German taxi sign September 15, 2014. REUTERS/Kai Pfaffenbach/Illustration/File Photo

German Chancellor Angela Merkel gestures during a meeting of the lower house of parliament Bundestag on 2017 budget in Berlin, Germany, September 6, 2016. REUTERS/Stefanie Loos

Kenya's President Uhuru Kenyatta prepares to address a news conference after attending the Intergovernmental Authority on Development (IGAD) summit in Somalia's capital Mogadishu, September 13, 2016. REUTERS/Feisal Omar

Members of the Muslim community pray during Friday prayers inside the mosque in Frejus, France, September 16, 2016. Picture taken September 16, 2016. To go with FRANCE-ELECTION/LEPEN REUTERS/Jean-Paul Pelissier

French National Front (FN) political party leader Marine Le Pen waves at supporters during a FN political rally in Frejus, France September 18, 2016. REUTERS/Jean-Paul Pelissier