Thirty-five people were killed and four others injured when a heavy vehicle collided with a heavy vehicle in the holy city of Medina, the official SPA news agency reported.

The agency quoted a security source that all the victims were residents of Asian and Arab nationalities.

Videos were circulated on the Internet documenting the incident and the resulting fire, where the fire appeared to spread over a large area.

The Saudi Press Agency reported that the bus was carrying 39 people, and that the incident took place in Al-Akhal Center in Medina.