Turkish President Recep Tayyip Erdogan, left, and Iranian President Hassan Rouhani arrive for a news conference following their meeting with Russian President Vladimir Putin, in the Black Sea resort of Sochi, Russia. Vladimir Putin at a summit he is hosting to discuss the future of Syria has told his Turkish and Iranian counterparts that the presence of what he called terrorist groups in Syria's Idlib region should not be tolerated and that Islamist militants who used to belong to the Nusra Front group should be driven out.
