Bulgaria bomb blast kills Israeli tourists (PHOTOS)

The sisters of a woman who was killed during an attack in Bulgaria mourn as they wait for their wounded relatives at the Ben Gurion International Airport on July 19, 2012 near Tel Aviv, Israel.

A bomb blast hit Bulgaria's Burgas airport on July 18, 2012, leaving as many as seven Israeli tourists dead and at least 20 injured. The blast went off when a suicide bomber boarded one of three tourist buses and detonated an explosives-rigged vest.