Turkey’s opposition urges peaceful protests over Istanbul mayor’s arrest

People shout slogans as they march to protest against the arrest of Istanbul Mayor Ekrem Imamoglu (Khalil Hamra/AP)

The leader of Turkey’s main opposition on Friday renewed a call for supporters to take to the streets for peaceful demonstrations against the arrest of Istanbul’s mayor and top rival to President Recep Tayyip Erdogan.

It came as authorities widened a ban on protests and criticised the appeal as irresponsible.