Motorcycle Crash Shuts Down 210 Freeway in Upland | NBC Los Angeles

Deputy Fatally Shot, Suspect Apprehended After High-Speed Chase on 210 Freeway

A San Bernardino County SheriffS deputy was fatally shot Monday afternoon in Rancho Cucamonga, sparking a high-speed motorcycle chase that ended in a dramatic crash on the 210 Freeway in Upland. The suspect was taken into custody after an off-duty deputy intervened to end the pursuit.

Traffic Disruption and Inquiry

The incident caused significant traffic disruptions, with all eastbound lanes of the 210 Freeway shut down and a SigAlert issued between Mountain and Campus avenues. Traffic was backed up for miles, and authorities diverted vehicles off of Mountain Avenue as of 5:25 p.m.on Monday, October 27, 2025. A major police presence remained at the scene as investigators worked to process evidence.

Did you know? – A SigAlert is a traffic alert issued in Southern california to notify motorists of significant freeway closures or delays. They are named after former Los Angeles Police Department officer Sigurd “Sig” Petersen, who pioneered the system in the 1950s.

Domestic Violence Call Escalates to tragedy

The events unfolded after deputies responded to a domestic violence call at approximately 12300 block of Hollyhock Drive in Rancho Cucamonga, near Victoria Gardens. Upon arrival, the suspect instantly opened fire, striking Deputy Andrew Nunez in the head.

Despite being rushed to a local hospital, Deputy Nunez was pronounced dead, the sheriff’s department confirmed. This loss marks a somber day for the San Bernardino County Sheriff’s Department and the wider community.

High-Speed Pursuit and “Legal Intervention”

following the shooting, the suspect fled the scene on a motorcycle, initiating a high-speed police chase. witnesses reported the suspect driving at speeds reaching 150 mph and even brandishing a firearm while on the freeway.

During an afternoon press conference, Sheriff Shannon Dicus revealed that an off-duty sheriff’s deputy performed a “legal intervention” by intentionally colliding with the suspect’s motorcycle. “This was a difficult decision, but one made to protect the public,” a senior official stated. The impact launched the suspect into the air before landing on the roadway.

Pro tip: – “Legal intervention” in this context refers to a tactic where law enforcement intentionally uses their vehicle to disable a fleeing suspect’s vehicle when the risk to public safety outweighs the potential for damage or injury.

Suspect in Custody, Investigation Ongoing

Officers quickly apprehended the suspect, who was conscious and receiving medical attention at the scene before being airlifted to an area hospital in stable condition. authorities are currently working to positively identify the suspect through forensic analysis and plan to conduct an interview once medically cleared.The suspect’s name has not yet been released to the public.

Investigators recovered a firearm from the scene of the crash on the 210 Freeway,which is now being examined as evidence.

The investigation remains active and ongoing.

Reader question: – What factors do you think law enforcement considers when deciding whether to employ a “legal intervention” tactic during a pursuit?

Expanded News Report:

Why: The incident began with a domestic violence call that escalated into a fatal shooting of a San Bernardino County Sheriff’s deputy.The suspect then fled, posing an immediate threat to public safety.

who: Deputy Andrew Nunez was fatally shot and died at a local hospital. The suspect, whose name has not yet been released, was taken into custody. An off-duty sheriff’s deputy performed the “legal intervention” that ended the chase. Sheriff Shannon Dicus provided updates during a press conference.

What: A domestic violence call led to the shooting of Deputy Nunez. The suspect fled