Ten people were killed and 20 injured Wednesday in what appeared to be a suicide bombing at the entrance to the arrivals terminal at Istanbul's Ataturk international airport, Turkish officials say.
Police at the airport, one of the busiest in the region, opened fire on two suspects by the security check area at the terminal. The two suspects then blew themselves up, official said.
Turkish Justice Minister Bekir Bozag said about 10 people were killed and confirmed one attacker blew himself up. There were also signs of an explosion near the metro station at the airport, he said.
Ambulances had been dispatched to the scene. Videos on social media showed panicked passengers and sounds of gunshots, along with explosions and other activity inside the building. The footage could not be independently confirmed.
As usual in such incidents, Turkish authorities have imposed a partial broadcast and media ban.
Eleven people were killed in an attack near Istanbul's historic Grand Bazaar, three weeks ago.
That attack, claimed by the Kurdistan Freedom Falcons (TAK), followed two suicide bombings that hit tourist-heavy areas of Istanbul this year, blamed on Islamic State.
In December, Sabiha Gokcen airport in Istanbul was hit by mortar fire claimed by TAK killing at least one staff member.