Ekrem Imamoglu arrested on corruption and terror links, sparking mass protests in Istanbul. The opposition-backed mayor was detained days before his expected 2028 presidential candidacy announcement. Protesters clashed with riot police as authorities imposed a four-day ban on demonstrations and restricted social media. CHP’s leader slammed the arrest as a political coup, while Erdogan’s government denied interference. Imamoglu vowed to fight for fundamental rights and freedoms. Tensions escalate as Turkey’s political opposition unites against government crackdowns ahead of crucial elections.