With more than half the votes counted in Turkey’s constitutional referendum, Yes votes led on 57.46 percent.
At 6.15 p.m. local time (1515GMT), 51.14 percent of votes had been counted.
Figures from vote counts showed Yes on 57.46 percent -- 12,778,186 votes -- while No had 42.54 percent, or 9,461,664 votes.
Turkey headed to the polls on Sunday in a referendum on a 18-article bill that would see the country switch from a parliamentary to a presidential system.