The ruling AK Party, which backed the "Yes" vote, had hoped for a wider margin of victory in Sunday’s Turkish referendum.

But in several major cities - places that had previously supported President Recep Tayyip Erdogan - the "No" campaign came out on top.

Fifty-one percent of the voters in Istanbul, normally supportive of their former mayor Erdogan, said no to changing the constitution.

Al Jazeera's Bernard Smith reports from the city that remains divided.

Middle East, Turkey, Politics