A bomb blast went off on Thursday outside a courthouse in the western Turkish city of Izmir.
At least three people were injured, it has emerged.
Eyewitnesses said the explosion appeared to come from a vehicle.
Ambulances have been arriving at the scene of the explosion.
— chill (@chiIIinois) January 5, 2017
It comes a day after local police in the city arrested 20 ISIS suspects in the search for a gunman who went on the rampage murdering 39 revellers at an Istanbul on New Year’s Eve.