Israel blames Iran for deadly bus explosion targeting Israeli tourists in Bulgaria

Police officers stand outside Bulgaria's Burgas airport July 18, 2012.

Israeli Prime Minister Benjamin Netanyahu is promising a strong reaction after an attack on Israeli tourists that he says was carried out by Iran.

A bus carrying mostly Israeli youth in a Bulgaria exploded near an airport Wednesday, killing at least 7 people and wounding at least 35 others, Bulgaria interior minister told local news stations. Witnesses told Israeli media that the huge blast occurred soon after someone boarded the vehicle.