Istanbul Mayor Ekrem Imamoglu faced questioning in court on Saturday by prosecutors over allegations of corruption and terrorism ties after his detention by Turkish authorities earlier this week sparked protests across the country.

Protests have raged on for a fourth night in Istanbul following the arrest of the city's mayor, part of the largest demonstrations Turkey has seen in more than a decade. Ekrem Imamoglu, a rival of Turkish President Recep Tayyip Erdogan,

Hundreds of supporters have gathered in front of an Istanbul courthouse where detained Istanbul Mayor Ekrem Imamoglu faced further questioning over allegations of corruption and terror links