German Chancellor Angela Merkel attends news conference after the European Union summit- the first one since Britain voted to quit- in Bratislava, Slovakia, September 16, 2016. REUTERS/Leonhard Foeger

Stefan Knirsch, Member of the Board of Management for Technical Development of AUDI AG presents the new Audi Q2 car at the 86th International Motor Show in Geneva, Switzerland, March 1, 2016. REUTERS/Denis Balibouse - RTS8P2J

Football Soccer - Spanish Liga Santander - Leganes v Barcelona - Butarque stadium, Leganes, Spain 17/09/16 Barcelona's Lionel Messi scores a goal from the penalty spot. REUTERS/Sergio Perez

Football Soccer - Spanish Liga Santander - Leganes v Barcelona - Butarque stadium, Leganes, Spain 17/09/16 Barcelona's Neymar celebrates a goal with team mate Luis Suarez. REUTERS/Sergio Perez

Football Soccer - Spanish Liga Santander - Leganes v Barcelona - Butarque stadium, Leganes, Spain 17/09/16 Barcelona's Luis Suarez celebrates a goal. REUTERS/Sergio Perez

Russian President Vladimir Putin is seen after touring on Lake Ilmen in Novgorod region, Russia, September 10, 2016. Sputnik/Kremlin/Alexei Druzhinin/via REUTERS

Canada's Prime Minister Justin Trudeau speaks at a news conference following the Fifth Replenishment Conference of the Global Fund to Fight AIDS, Tuberculosis, and Malaria in Montreal, Quebec, Canada September 17, 2016. REUTERS/Christinne Muschi

Ousted deposed President Jean Bertrand Aristide gives a speech during a rally of Fanmi Lavalas political party in Cap Haitien, Haiti, September 16, 2016. REUTERS/Andres Martinez Casares