Olesia Suspitsina, 31, was searching for the perfect spot to celebrate the end of a weekend coronavirus lockdown when she fell, her friend said.

A Turkish news agency said rescue teams were still searching for the woman, whose car was pushed into the flooded river by tornado-like winds.

The United States is warning its citizens about "credible threats" to touristic areas in Turkey, especially around public squares and docks in Istanbul and the Mediterranean city of Antalya.

Turkish police on Friday detained some 20 people suspected of links to the Islamic State group ahead of a G-20 summit near the Mediterranean coastal city of Antalya, the state-run Anadolu Agency reported.