Here is the latest California news from The Associated Press

OAKLAND, Calif. (AP) — Workers with a major San Francisco Bay area bus system ratified a labor deal, ending the threat of a strike. Alameda-Contra Costa Transit District drivers and mechanics voted for the agreement, which includes a 9.5-percent wage increase over the next three years. The transit system's board of directors is scheduled to vote on the agreement next month.

SAN FRANCISCO (AP) — San Francisco Bay Area air quality officials are prohibiting the use of wood-burning fireplaces for another day after determining the region's air is unhealthy. For the seventh day straight, the Bay Area Air Quality Management District issued an alert for tomorrow. Using fire pits, woodstoves or manufactured fire logs is illegal. Air quality has suffered recently due to a prolonged dry spell.

UNDATED (AP) — The San Diego County Medical Examiner's office is investigating the cause of death of a man who collapsed in a Border Patrol holding cell on Christmas Eve. He was taken into custody for allegedly carrying three pounds of marijuana. The Border Patrol says they found the marijuana and traces of methamphetamine in his car. Soon afterward he collapsed. Paramedics were unable to revive him.

REDLANDS, Calif. (AP) — Redlands police have arrested a 25-year-old man for investigation of murder after officers responding to a call found his mother slain and his sister injured. A police spokesman says officers arrived at the family's home about 5:30 this morning to find the 46-year-old woman dead and her 21-year-old sister injured. Authorities say the sister is being hospitalized after undergoing surgery.