Turkey's Erdogan eyes referendum win; critics claim fraud

People cheer and wave Turkish national flags by a campaign poster.
People cheer and wave Turkish national flags by a campaign poster depicting Turkish President Recep Tayyip Erdogan during a rally, on April 15, 2017, in Istanbul, in the eve of the constitutional referendum. The April 16 referendum will take place under a state of emergency that has been in place since last summer's failed coup, which has seen some 47,000 arrested in the biggest crackdown in Turkey's history.
Ozan Kose | Getty