Aftermath of bus blast
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Bulgarian minister: 'Treating it as terrorist threat'

18 July 2012 Last updated at 21:00 BST

An explosion on a bus carrying Israeli tourists in Bulgaria, has killed at least seven people and injured more than 30.

The blast happened at the airport in the eastern city of Burgas.

The Bulgarian foreign minister Nikolay Mladenov said police were treating the explosion as a suspected terrorist attack.