UPDATE:

LEBEC, Calif. (AP) – The California Highway Patrol says a gunman opened fire aboard a packed Greyhound bus, killing one passenger and wounding five others before the driver pulled over onto the shoulder. Authorities say passengers disarmed the suspect and escorted him off the bus. He was taken into custody without incident and authorities say the the motive is unknown. The bus was traveling from Los Angeles to San Francisco on Interstate 5 at the time of the shooting early Monday. Two of the victims are hospitalized with serious injuries.

Original Story:

The California Highway Patrol says a 51-year-old woman from Colombia has been killed and five were wounded in a pre-dawn shooting on a Greyhound bus. Sgt. Brian Pennings says a male suspect is in custody after the shooting early Monday on the Grapevine section of Interstate 5 in Kern County, north of Los Angeles. Pennings says the bus driver got the shooter off the bus and and continued on to the next exit. The bus was heading from Los Angeles to San Francisco and the shooting happened at about 1:20 a.m. Witnesses and the suspect were being interviewed. Two of the victims were hospitalized in serious condition.