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ISTANBUL, June 28 (Xinhua) -- At least 28 people were killed and 69 others injured in two explosions that hit the Ataturk Airport in Istanbul on Tuesday evening, forcing the suspension of all flights.

Turkish Justice Minister Bekir Bozdag said in Ankara that one terrorist opened fire at random and then blew himself up at the airport, resulting in at least 28 deaths and 69 injuries.

Press reports, citing eyewitnesses, spoke of two terrorists wreaking havoc, while social media put the number of injuries at least 40.

Turkey's NTV said three explosions occurred, causing at least 60 people wounded, six of them seriously.

Kerem Kinik, the head of Turkish Red Crescent, has appealed for blood donation on CNNTurk.

A Chinese national upstairs at the airport said he heard of gunfires and run for cover. He then heard of one explosion inside, and saw smoke everywhere and the injured being carried away.

"It's really good to be alive," he added.