***Closed Incident – Gas Line Ruptured – May 1, 2025***
Update #5 – 11:48 am – Final Update
All roadways have been reopened
Update #4 – 11:34 am
PG&E has successfully clamped the gas line and the shelter-in-place has been lifted. Thank you everyone for your cooperation and understanding.
Update #3 – 11:10 am
The estimated time for the gas line to be shut off is 45 minutes to one hour. We will update here once we have additional clarity.
Update #2 – 10:45 am
PG&E is on scene and evaluating the gas leak. No evacuations are recommended, but the shelter-in-place will continue until further notice. The roadway closures will stay in effect. No traffic, outside of emergency vehicles, will be allowed on Camino Ramon between Bishop Drive and Norris Canyon Road, nor will any traffic be allowed on roadways leading toward Camino Ramon in this general area.
Update #1 – 10:30 am
A gas line was ruptured by a construction crew in the area of Camino Ramon and Executive Parkway. A shelter-in-place has been issued for the local area, which includes Iron Horse Middle School. Camino Ramon is closed to traffic between Bishop Drive and Norris Canyon Road.
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Closed Incident – California High School – April 28, 2025
Update #5 – 1:37 pm – Final Update
The campus has been thoroughly checked, and there are no signs that the threat of violence was legitimate. San Ramon Police personnel will remain on campus for the remainder of the school day.
Update #4 – 1:25 pm
San Ramon Police personnel have checked all parking lots and searched for threats within the California High School campus. Our Drone Team’s aerial searches have not found any suspicious individuals or situations that would indicate potential violence.
The California High School Administrative Staff has lifted the “Secure” campus status.
San Ramon Police personnel will remain at California High School for the remainder of the school day to ensure the safety of everyone on campus.
Update #3 – 1:09 pm
San Ramon Police personnel are actively flying drones above California High School to conduct aerial surveillance and search for any potential threats to the safety of those on campus.
Update #2 – 1:03 pm
San Ramon Police Department Officers continue to search the campus to provide everyone with the highest level of safety.
To better understand what a “Secure” campus means, you can view the definitions at https://www.srvusd.net/District/Emergency-Preparedness/
Update #1 – 12:48pm
At roughly 12:26 pm, the San Ramon Valley 911 Communications Center received a transferred call from a male who threatened the California High Campus with violence. Our School Resource Officer was on scene when the call was received and was almost immediately joined but multiple officers who took positions around campus to ensure the safety of all on site.
At 12:40 pm, California High School Administrative Staff decided to place the campus in “secure” status. We are still on campus, actively patrolling and searching the campus to ensure everyone’s safety.
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Closed Incident – California High School – May 30, 2024
We will continue to provide updates throughout this incident as information becomes available and, at a minimum, roughly every 30 minutes.
Final Update #6 – 12:38 pm
The entirety of the California High School campus has been searched and cleared. The lockdown of the campus has been lifted, but it is remaining in a “secure” campus mode, which means students will be allowed to move throughout the interior of the campus, but outside individuals will be kept off campus. Out of an abundance of caution, San Ramon Police personnel will remain on campus throughout the remainder of the school day to ensure the utmost safety of those on campus.
We are continuing to investigate this incident and we will provide additional details as appropriate.
Update #5 – 12:07 pm
The search of the California High School campus is continuing, and the campus remains in lockdown status. For additional information on the origin of the incident, please see below.
This incident began earlier this morning when front office staff at California High School received a call from an unidentified male. During the phone call, the male stated explosive devices had been placed throughout the school. In addition, the male stated someone would be arriving shortly to shoot up the school. Immediately after this information was discovered, the school was placed in lockdown status. San Ramon Police Personnel who were on-site and those who immediately responded established immediate protective measures to ensure the safety of those on campus.
Based on the specific language and details mentioned by the caller, the decision was made to conduct an extensive search of the campus using explosive detective K9s, who were escorted throughout the campus by uniformed Officers.
Detectives are continuing to investigate the origins of the call in an attempt to identify the caller.
Update #4 – 11:38 am
The California High School campus search is continuing and will include the parking lots and exterior sports fields. To ensure the utmost safety of everyone, this will be an extensive search and may take an extended amount of time to complete. The campus continues to be in lockdown status.
Update #3 – 11:08 am
A search of the California High School campus has begun with the assistance of explosive detection K9s. In addition, uniformed police personnel are escorting any students or staff located outside of classrooms or offices back to the front office. The campus continues to be in lockdown status.
Update #2 – 10:30 am
San Ramon Police Personnel are providing a secure perimeter around the school as well as the San Ramon Olympic Pool and Aquatic Park. Explosive detection K9s from several outside agencies are on-site, and a search of the campus will begin shortly. The campus continues to be in lockdown status.
Update #1 – 9:55 am
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 here as it becomes available.
San Ramon Police 