vietnamese tourists were on their way to a light and sound show at the pyramids of giza instead they were struck by a deadly blast three of the fourteen tourists on the bus were reported killed another eleven were injured including the driver the group's egyptian guide was also killed. i was in a minibus returning from work and we heard a big noise and thought a car had fallen off the bridge. after that we saw people and taxi drivers running in saying that a bus was hit. with security forces descending on the smashed bus investigators from the scene said the bomb was an improvised device hidden next to a wall along the road which went off as the bus drove by egyptian officials noted the bus had deviated from a more secure route a claim the driver denied in local media the tourism industry vital for the country's economy has been struggling to recover from years of high profile terrorist attacks that have scared off isidore's yesterday's bomb attack broke