A live-fire demonstration is planned at Camp Pendleton on Saturday, Oct. 18. It coincides with "No Kings" protests planned statewide.

San Clemente became ground zero in the battle between California and the Trump administration over a pre-planned live-fire artillery round shot over the freeway during a military event at Marine Corps Base Camp Pendleton.

CAMP PENDLETON — Ordnance fired over the 5 Freeway at Saturday’s 250th anniversary of the Marine Corps at Camp Pendleton prematurely detonated, striking and damaging a California Highway Patrol vehicle that was part of Vice President JD Vance’s detail, the CHP said Sunday.

I-5 closes 11 a.m.–3 p.m. for Marine Corps 250th anniversary live-fire demo at Camp Pendleton; expect major SoCal traffic delays.

"Because of the event and closure, drivers should expect delays on Interstate 5 and other state routes throughout Southern California before, during, and after the event," the press release says.

Asset Management Project team will close the north I-5 from the I-8 to the Mission Bay Drive onramp starting Friday, October 24 at 9:00 p.m. through Monday, October 27 at 5:00 a.m. The work will improve infrastructure and safety and modernize the corridor to meet current and future transportation needs,

CAMP PENDLETON — Ordnance fired over the 5 Freeway at Saturday’s 250th anniversary of the Marine Corps at Camp Pendleton prematurely detonated, striking and damaging a California Highway Patrol vehicle that was part of Vice President JD Vance’s detail, the CHP said Sunday.

A section of the Interstate 5 freeway in Southern California will be shut down on Saturday for a live-fire demonstration by the U.S. Marines out of