A gun and bomb attack on Istanbul’s Ataturk international airport has killed 36 people and injured more than 140 others, officials say.
Three attackers arrived in a taxi and began firing at the terminal entrance late on Tuesday. They blew themselves up after police fired back.
PM Binali Yildirim said early signs pointed to so-called Islamic State but no-one has so far admitted the attack.
Recent bombings have been linked to either IS or Kurdish separatists.
Tuesday’s attack looked like a major co-ordinated assault, says the BBC’s Mark Lowen.
Ataturk airport has long been seen as a vulnerable target, our Turkey correspondent adds, reporting from a plane stuck on the tarmac in Istanbul.
There are X-ray scanners at the entrance to the terminal but security checks for cars are limited.
Pictures from the airport terminal showed bodies covered in sheets, with glass and abandoned luggage littering the building.
Turkish President Recep Tayyip Erdogan said the attack should serve as a turning point in the global fight against militant groups.
“The bombs that exploded in Istanbul today could have gone off at any airport in any city around the world,” he said.
The US called the attack “heinous”, saying America remained “steadfast in our support for Turkey”.
German Interior Minister Thomas de Maiziere called the attacks “cowardly and brutal”.
‘Dressed in black’
In the first indication of nationalities of victims, Turkish officials said one Iranian and one Ukrainian were confirmed dead.
Reports of the attack vary but it appears the attackers opened fire at the entrance where the X-ray machines are positioned, sparking an exchange with police. At least two ran into the building.
Footage on social media shows one moving through the building as people around him flee. He is shot by police and remains on the ground for about 20 seconds before blowing himself up. All three attackers were killed.
Paul Roos, who was due to fly home to South Africa, told Reuters he saw one of the attackers.
“He was wearing all black. His face was not masked. We ducked behind a counter but I stood up and watched him. Two explosions went off shortly after one another. By that time he had stopped shooting.
“He turned around and started coming towards us. He was holding his gun inside his jacket. He looked around anxiously to see if anyone was going to stop him and then went down the escalator. We heard some more gunfire and then another explosion, and then it was over.”
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Justice Minister Bekir Bozdag put the number of injured at 147.
Taxis were used to rush casualties to hospital after the attack. Desperate relatives of those missing later gathered outside a local hospital where many victims were taken.