***Updated Information - California High School*** 
Additional updates on the incident at California High School are available and will continue to be provided through this link - https://sanramonpolice.com/livealerts/
Police resources are on-site and providing extra security at California High School as a result of school staff receiving a phone call threatening violence. Currently, the high school is on lockdown status to ensure the safety of all on campus.
The incident is being investigated, and we will update with additional information as it becomes available.
Address/Location
San Ramon Police Department
2401 Crow Canyon Rd
San Ramon, CA 94583
Contact
Emergency: 9-1-1
Non-emergencies: 925-973-2700