PHILADELPHIA (CBS) – Philadelphia police are investigatingan accident involving a SEPTA bus that occurred early Friday morning.

According to officials, a Jaguar collided head on with a Route 23 bus around 1 a.m. on the 4000 block of Germantown Avenue.

Authorities say four bus passengers were treated for minor injuries and the driver of the Jaguar was taken to Temple University Hospital in stable condition.

The investigation is ongoing.