Turkish police have arrested 20 people suspected of links to the Islamic State group in Antalya a week before the city hosts a G20 summit, the BBC reports.
US President Barack Obama will be among the world leaders arriving in city on Turkey’s southern coast for the summit on 15-16 November.
Two of the suspects arrested on Friday are said to be Russian.
Turkey has stepped up operations against IS militants following a string of deadly bombings.
Anti-terror police carried out simultaneous raids in three districts of Antalya early on Friday, local media said.
Officers reportedly seized “digital materials” during the operation.