RT News - December 20, 2016 (18:00 MSK)

German police say officials are uncertain if the Pakistani suspect whom they detained was the perpetrator of terror attack in Berlin.That's shortly after Angela Merkel said it would be difficult to bear if that assault had been commited by a refugee. Security in Europe is once again being questioned, as Germany and other European states had been warned of potential terror attacks. The Russian ambassador to Turkey is shot dead in Ankara - a day before a key talks on Syria between Russia, Turkey and Iran.