A Turkish flag hangs from a building during an election rally of Turkey's President Recep Tayyip Erdogan and his ruling Justice and Development Party, or AKP, in Istanbul, Turkey, on June 23, 2018. Lefteris Pitarakis / AP Photo
People attend a speech of Turkish President Recep Tayyip Erdogan one day before the elections in Istanbul, Turkey, on June 23, 2018. Aris Messinis / AFP
People attend a speech of Turkish President Recep Tayip Erdogan one day before the elections in Istanbul, Turkey, on June 23, 2018. Aris Messinis / AFP
Turkish outgoing President and candidate Recep Tayyip Erdogan salutes party supporters during a rally on the eve of the elections in Istanbul, Turkey, on June 23, 2018. Aris Messinis / AFP
People wave Turkish flags during an election rally of Turkey's President Recep Tayyip Erdogan and his ruling Justice and Development Party, or AKP, in Istanbul, Turkey, on June 23, 2018. Lefteris Pitarakis / AP Photo
A man waves a Turkish flag during an election rally of Turkey's President Recep Tayyip Erdogan and his ruling Justice and Development Party, or AKP, in Istanbul, Turkey, on June 23, 2018. Lefteris Pitarakis / AP Photo
Supporters of Muharrem Ince, presidential candidate of Turkey's main opposition Republican People's Party (CHP), cheer during an election campaign rally in Istanbul, Turkey, on June 23, 2018. Srdjan Suki / EPA
Muharrem Ince, presidential candidate of Turkey's main opposition Republican People's Party (CHP), speaks during an election campaign rally in Istanbul, Turkey, on June 23, 2018. Srdjan Suki / EPA
Supporters of the Nationalist Movement Party, or MHP, wave flags during an election rally in Ankara, Turkey, on June 23, 2018. Burhan Ozbilici / AP Photo
A supporter of Devlet Bahceli, leader of Nationalist Movement Party (MHP), attends an election rally in Ankara, Turkey, on June 23, 2018. Stoyan Nenov / Reuters
Devlet Bahceli, leader of Nationalist Movement Party (MHP), addresses his supporters during an election rally in Ankara, Turkey, on June 23, 2018. Stoyan Nenov / Reuters
Supporters of Muharrem Ince, presidential candidate of Turkey's main opposition Republican People's Party (CHP), attend an election rally in Istanbul, Turkey, on June 23, 2018. Osman Orsal / Reuters