Three Vietnamese tourists were killed and ten others were injured following an explosion that hit a tourist bus in the Egyptian city of Giza on Friday, according to the Egyptian ministry of interior.
A statement from Egypt's Interior Ministry said the bus was traveling in the Marioutiyah area near the pyramids when the crude roadside bomb, concealed by a wall, went off.
Security forces immediately evacuated the area and moved casualties to hospitals.
A medical source at al-Haram hospital, where the casualties were transferred, said that four of them had fractures and the rest only had bruises.

Prime Minister Mustafa Madbouly said that President Abdel Fattah al-Sisi was following the incident, stressing that the bus had gone out of its regular way.
The Interior Ministry said that "at about 6 pm, an explosive device that was hidden next to a wall at the Mariouteya Street in Giza blew up during the passage of a tourist bus carrying 14 Vietnamese tourists.”
The ministry added: “11 tourists were injured, in addition to the driver, and three tourists were killed, in addition to the tour guide.”
The tourists were on their way to the pyramids to watch a light and sound show, according to the interior ministry.
Urgent investigation
Attorney General Nabil Ahmed Sadiq ordered an urgent investigation into the incident.
The Attorney General assigned the Supreme State Security Prosecution and the Southern Giza Prosecution Office to move to the scene of the incident and to conduct the necessary examination and to listen to eyewitness and the injured whose conditions are stable.
He ordered an autopsy report on the deceased and the cause of death, and samples were taken from the scene to determine the material used in the explosion.
The prosecution also ordered the surveillance cameras in the vicinity of the accident to be looked into.