Bulgaria's PM Borissov, European Council President Tusk, Turkish President Erdogan and European Commission...
Bulgaria's Prime Minister Boyko Borissov, European Council President Donald Tusk, Turkish President Tayyip Erdogan and European Commission President Jean-Claude Juncker attend a news conference at Euxinograd residence, near Varna, Bulgaria, March 26, 2018. REUTERS/Stoyan Nenov