Istanbul court formally places mayor Ekrem Imamoglu under arrest on graft charges: lawyer

An Istanbul court on Sunday formally placed the city's opposition mayor, Ekrem Imamoglu, under arrest in a graft probe, four days after his detention sparked Turkey's worst unrest in over a decade, one of his lawyers told AFP. 

The mayor is one of 100 people being investigated on corruption charges, and is also being probed in a second case on "terror-related" allegations, with the court due to rule on that in the coming hours.