TURKEY. Istanbul. April 2017. People pose in front of a poster which shows Turkey’s President Recep Tayyip Erdogan, Prime Minister, Interior Minister and Nationalist party MHP leader with guns, during a referendum rally in Istanbul.

Turks voted 'Evet' (Yes) on 18 proposed amendments to the Constitution of Turkey. The controversial changes will replace the parliamentary system with a presidential system, giving President Recep Tayyip Erdogan executive authority.