Authorities revealed new details Wednesday afternoon about the violent Santa Clarita crash involving a city transit bus, an overturned semi truck and two other vehicles that left 13 people injured.

Thirteen people were injured on Tuesday, May 13, at least one critically, in a collision involving a city bus and a gravel truck in Santa Clarita, according to a report from the scene.

Eleven people in total were injured in the collision, with eight transported to local hospitals.