Turkey is in turmoil as thousands take to the streets after the arrest of Istanbul's mayor, Ekrem Imamoglu. A leading rival to President Erdogan, Imamoglu was detained just days before his expected presidential nomination. His university degree has also been annulled, raising concerns over a politically motivated crackdown. Protesters defy bans, chanting "Erdogan, dictator!" as authorities impose restrictions. International leaders, including the EU and Germany, have condemned the arrest, warning of a democratic crisis. Is this the end of free elections in Turkey? NDTV's Riddhima Kedia break down the crisis, the public outrage, and the international response.