Two people are dead, one officer and one civilian, and 10 more are wounded.
The explosion took place outside the Courthouse in Izmir (Greek: Smyrni).
No one has claimed responsibility for the explosion so far.
According to local media, the Turkish police shot and killed two suspects and they are looking for a third one.
The bomb was placed in a car parked on the parking of the Courthouse.
CNN Turk reports that after the explosion a gun fight started and that was when the police officer was killed.