Turkey's President Recep Tayyip Erdogan says he believes lawlessness and irregularities occurred in Istanbul mayoral elections. Opposition Republican People's Party says the decision to renew the vote is "neither democratic nor legitimate."
A court official said Celal Celik was detained over alleged ties to the Gulen network, blamed for the July 2016 attempted coup in Turkey. Celik is the lawyer of main opposition CHP chief Kemal Kilicdaroglu, who slammed the arrest.