The man many think could end Erdoğan's quarter-century reign was arrested just days before he was nominated as the CHP presidential candidate. Who is he, and why is he behind bars?
The popular mayor of Istanbul, who has repeatedly beaten President Erdoğan's party in elections, was just days from being confirmed as the 2028 presidential candidate when he was detained. What now?
The apprehending of Istanbul mayor Ekrem İmamoğlu is the culmination of weeks of a crackdown, which appears to have been aimed at eliminating a political threat to President Erdoğan's grip on power