ANKARA (Sputnik) – Ihlas News Agency reported earlier that the explosion happened at 2:00 a.m. local time (00:00 GMT).
According to DHA news agency, one of the injured is in serious condition.
Police are considering all possible reasons for the explosion, including a terrorist act. Security has been heightened at the airport and police are working at the scene of the blast.
Specialists are checking the area for traces of explosives and several other airplanes at the airport.