A police headquarters building came under attack from rocket fire in the Turkish capital Ankara on Friday, however there were no victims, the Dogan news agency reported.
The attack happened at 1900 GMT in the Dikmen suburb, the agency reported, adding that police had set up roadblocks in a bid to intercept those responsible.
The NTV television station reported that the police headquarters and an adjacent building housing police social services had each been hit by a rocket, while an unexploded shell was found in a garden nearby.
The station reported that police were tracking one suspect who had fled after the attack.
Local media reported that both police chief Mehmet Kiliclar and Interior Minister Muammer Giler had gone to the scene of the incident.