Police sketch of the suspected accomplice.

CNN – Bulgarian police have been alerted to the possibility of a second suspect in a bomb attack that killed five Israeli tourists in Burgas, a high-level source in Bulgaria’s Interior Ministry told CNN.

Investigators have determined that the bomb was detonated by a man caught on airport security videos about an hour before Wednesday’s attack at Burgas International Airport. But they are now looking at the possibility that he had help.

Read full story.