ANKARA, Nov. 11 (Xinhua) -- Turkish President Recep Tayyip Erdogan on Thursday accused Greek Prime Minister Kyriakos Mitsotakis of "lying" about the refugee crisis. "It is truly ingratitude to say that the refugee crisis is caused by Turkey," Erdogan said at a joint press conference with visiting Hungarian Prime Minister Viktor Orban. It is Greece that pushes refugees to their deaths in the Mediterranean