The Russian Investigative Committee's Transport Investigative Department has confirmed that an explosion occurred at Domodedovo Airport's luggage reclaim zone at the international arrivals terminal.
At least 20 people were killed and dozens were injured, a source told Itar-tass.
Source
Twitter updates 24 dead 50 injured.
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There is smoke in the terminal building and people are being evacuated. Airport workers have destroyed a brick wall near the luggage claim area to let the passengers leave the area of the explosion.
An initial probe indicates the blast was a terrorist attack caused by a suicide bomber.
Moscow police have been put on alert over possible terror attacks in the capital. Police are also on alert at Vnukovo airport and Sheremetyevo international airport in Moscow, and in the metro system.
International flights are being redirected to other Moscow area airports. Some 80 emergency teams are already on the spot. The first groups of injured passengers have already been taken to the nearby hospitals.
Russian Prime Minister Vladimir Putin has been informed about the explosion, his press-secretary said.
According to reports the explosion happened at 4:30pm in the luggage claim area in the international arrivals wing of the airport. The explosion power was equivalent to 5 kilograms of TNT.
