The Islamic State jihadist group is a prime suspect in a blast in the Turkish capital Ankara on Wednesday that killed at least five people and wounded at least ten.
The attack was staged in the centre of the city, several hundred metres away from Turkey's military headquarters, parliament and prime minister's office.
There was no immediate claim of responsibility for the blast.
Ankara's governor, Mehmet Kilicdar, said the explosion was a a car bomb but premier Ahmet Davutoglu, said the cause was still under investigation. Police have launched a probe of the bombing, he said.
According to the Dogan news agency the blast occurred near a military dormitory. It caused a large fire, the billowing smoke of which could be seen at a distance.
Turkey’s TV watchdog RTÜK also imposed a broadcast ban on the attack, daily Hurriyet reported.
Davutoglu cancelled a scheduled trip to Brussels on Wednesday after the blast.
IS is believed to have been behind the biggest terrorist attack in Turkey's modern history which occurred in Ankara in October when a bomb blast killed 102, mostly Kurdish activists.
Turkey has been hit by a serious of attacks recently, including a suicide bomber that killed 10 people in Istanbul last month. Officials said the attacker had links with IS.
Turkey has faced security threats from different groups, including IS and the outlawed Kurdistan Workers' Party (PKK).
