Oct. 20 (UPI) -- An artillery shell fired during a Marine Corps demonstration on Saturday detonated prematurely over California's Interstate 5, striking a California Highway Patrol vehicle with debris, authorities said.
No injuries were reported, but the vehicle was damaged, CHP said Sunday in a statement.
The live-fire event at Camp Pendleton was part of the U.S. Marine Corps' 250th Amphibious Capabilities Demonstration at Red Beach.
The incident occurred over a stretch of the I-5 where CHP officers were supporting a traffic break during the live-fire training demonstration.
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