Critics say the arrest of Istanbul's mayor is part of a mounting crackdown by Turkey's president to silence all dissent.

Ekrem Imamoglu, the mayor of Istanbul and a popular figure, had boasted jokingly that he was the only person to have beaten Recep Tayyip Erdogan’s ruling party in three local elections

Turkey's interior minister says authorities have detained 37 people for allegedly sharing “provocative” content on social media following the arrest of Istanbul’s mayor and potential challenger to President Recep Tayyip Erdogan.