ALBERT JOHNSON / Special to SignOnSanDiego Police officers inspect the wreckage of the car.

SAN DIEGO – One woman was seriously injured Sunday night and three others were also hurt in Mission Valley after a suspected drunken driver ran a stop sign and collided with a bus, San Diego police said.

A 49-year-old old man and his 52 year-old passenger were driving on Hotel Circle North just before 10 p.m. in a 1988 Mercedes-Benz when the man failed to stop at the sign at the on ramp to Interstate 8 and hit the bus which was turning onto the freeway, police said.

The passenger did not appear to have a seat belt on and she was thrown against the windshield and suffered major head trauma, police said.

Three people on the bus, which was carrying approximately 44 passengers from a church group, suffered minor injuries.

The Mercedes driver was arrested on suspicion of drunken driving and booked into jail.

---