Ten people were treated for minor injuries after a Riverside Transit Agency bus and two other vehicles collided today on the Ramona Expressway in Perris, a county fire department spokeswoman said.
The crash was reported about 7:50 a.m. on the westbound expressway at Indian Avenue.
Ten of the 22 occupants of the bus were taken to a hospital with minor injuries, Riverside County Fire Department spokeswoman Melody Hendrickson said.
The other 12 refused treatment, she said, adding that no injuries were reported in the other vehicles.
The cause of the crash was under investigation.