Turkish riot police use water cannons against protesters during a demonstration against Turkey’s ruling Ak Party (AKP) and Prime Minister Tayyip Erdogan, in Istanbul December 22, 2013. Police fired water cannon and teargas at protesters marching in Istanbul on Sunday against the Turkish government’s urbanization plans and a corruption investigation in which scores of people, including the sons of ministers, have been arrested. REUTERS/Osman Orsal (TURKEY – Tags: POLITICS CIVIL UNREST CRIME LAW)