Turkish referendum: "Yes" on 63 pct with quarter of ballots counted - NTV

ANKARA (Reuters) - Votes in favour of Turkish constitutional changes that could give President Tayyip Erdogan sweeping new powers stood at 63 percent with just under a quarter of ballots counted, broadcaster NTV said on Sunday. Polls closed at 4 p.m. (1300 GMT) in the east of the country and at 5 p.m. elsewhere. (Reporting by Tuvan Gumrukcu and Ece Toksabay; Editing by Nick Tattersall)