Casino tour bus crashes on I-10, 13 suffer minor injuries.

A tour bus heading back from a Southern California casino crashed on a freeway east of Los Angeles early Monday, injuring 13 people, authorities said.

The bus went off the shoulder of an Interstate 10 off-ramp in Baldwin Park shortly after 4:30 a.m., a California Highway Patrol Officer said.

The bus wheels went into a small drainage ditch and it came to rest against a fence and light pole but remain upright.

Eleven people received minor injuries and two received moderate injuries, according to the Los Angeles County Fire Department.

Nearly 40 people were on board the bus, which was returning from the Fantasy Springs Resort Casino in Indio. They were briefly trapped by a blocked door before rescuers freed them.