Opposition win in Istanbul a blow to Turkey’s Erdogan

Supporters of Ekrem Imamoglu celebrate on Sunday. (AP Photo/Emrah Gurel)

Supporters of Ekrem Imamoglu celebrate in central Istanbul, Sunday. (AP Photo/Lefteris Piarakis)

Ekrem Imamoglu, the candidate of the secular opposition Republican People’s Party, CHP, waves to supporters at a rally in Istanbul, late Sunday. (Onur Gunay/Imamoglu Media team via AP)

ISTANBUL — The opposition candidate for mayor of Istanbul celebrated a landmark win Sunday in a closely watched repeat election that ended weeks of political tension and broke the long hold President Recep Tayyip Erdogan’s party had on leading Turkey’s largest city.