Turkey votes in groundbreaking constitutional change referendum

Ballot papers reading 'Yes' and 'No' for a referendum on the constitutional reform at a polling station in Istanbul, Turkey, 16 April 2017 (EPA Photo)

Turkey votes in groundbreaking constitutional change referendum

A woman casts her ballot at a polling station during a referendum Aegean port city of Izmir, Turkey, April 16, 2017 (Reuters Photo)

Turkey votes in groundbreaking constitutional change referendum

Turkey votes in groundbreaking constitutional change referendum

A woman in a wheelchair is moved to cast her ballot at a polling station during a referendum Aegean port city of Izmir, Turkey, April 16, 2017 (Reuters Photo)

Turkey votes in groundbreaking constitutional change referendum

A woman casts her ballot at a polling station Ataturk Library during a referendum in Istanbul, Turkey, April 16, 2017. (Reuters Photo)

Turkey votes in groundbreaking constitutional change referendum

A woman checks a list as she waits with others to vote in the referendum in Istanbul (AFP Photo)

Turkey votes in groundbreaking constitutional change referendum

A couple cast their ballots before heading to their wedding in Turkey's Çorum province (IHA Photo)

Turkey votes in groundbreaking constitutional change referendum

Another couple visit polling station in Turkey's southern Aydın province to cast their ballots before heading to their wedding (IHA Photo)

Turkey votes in groundbreaking constitutional change referendum

Turkey votes in groundbreaking constitutional change referendum

A disabled man receives assistance to go to the polling station (IHA Photo)

Turkey votes in groundbreaking constitutional change referendum

Voters wait for an electoral committee to check their documents inside a polling station in Diyarbakır, Turkey, on Sunday, April 16, 2017 (AP Photo)

Turkey votes in groundbreaking constitutional change referendum

An elderly man is assisted to vote inside a polling station in Diyarbakır, southeastern Turkey, on Sunday, April 16, 2017 (AP Photo)

Turkey votes in groundbreaking constitutional change referendum

Turkey's famous 'Salt Bae' Nusret Gökçe casts his ballot (Instagram Photo)