Metal shrapnel from Marine Corps live-fire training struck a California Highway Patrol vehicle on the same day as Vice President JD Vance's visit to Camp Pendleton.

The CHP called the incident "unusual and concerning" and recommended a review of safety protocols after the rare live-fire drill over a major California freeway.

Metal shrapnel from an explosive artillery shell damaged a California Highway Patrol (CHP) vehicle during a Marine Corps live-fire training demonstration on Saturday near a major highway, the

Metal shrapnel from an exploding artillery shell fell hit and damaged a California Highway Patrol vehicle as personnel at a U.S. Marine Corps base fired live rounds over a highway — against the objections of Gov.

According to California Highway Patrol, the explosive ordinance that was fired over the freeway detonated overhead prematurely, striking and damaging a patrol vehicle.

The artillery rounds were fired over Interstate 5 (I-5) near Camp Pendleton in San Diego County as part of a military demonstration for the Marine Corps' 250th anniversary.