We are a union that is sickened by your lust for power,’ the San Francisco union told San Mateo County Sheriff Christina ...

San Francisco's police union is letting embattled San Mateo County Sheriff Christina Corpus know in no uncertain terms that she won't be welcome at an upcoming event to honor women patrol officers.

Police in San Mateo are trying to solve a fatal hit-and-run case involving a pedestrian, the department said Tuesday.

The San Mateo Police Department is searching for a driver who is believed to have struck and killed a man on Saturday night.

San Mateo County Sheriff Christina Corpus, mired in scandals and allegations of misconduct, was sent a scathing letter saying she is “not welcome” at an upcoming San Francisco Police Officers ...

South San Francisco found and seized over 5,000 pounds of fireworks from a storage unit at a facility on Oyster Point ...

The haul is valued at more than $300,000, police said. The South San Francisco Fire Department and San Mateo County Sheriff’s Office Bomb Squad helped collect and store the fireworks.

the San Mateo Police Department said in a news release. The argument quickly escalated and the suspect stabbed the victim with a knife he was holding, police said. The officer called for backup ...