California Marines Corps base ends shelter-in-place order, individual treated for 'self-inflicted gunshot wound'

Military Police responded to shots fired at the Twentynine Palms Marine Corps Base

A shelter-in-place order has been lifted at a major Marine Corps base in southern California Tuesday after an individual sustained a self-inflicted gunshot wound, officials said.

Military police responded to shots fired at 6:30 a.m. PT at the Twentynine Palms Marine Corps Air-Ground Combat Center, Capt. Nicole Plymale, public affairs officer for the base, told Fox News.

“The shelter-in-place order for the installation has been lifted,” U.S. Marines said in a later update. “An individual sustained a self-inflicted gunshot wound at approximately 8:30 a.m. The individual is currently being treated and will be transported to a medical facility.”

“There are no other injuries reported at this time. This incident is under investigation,” the statement added.

Initial reports said authorities were investigating an active shooter situation at the base.

A screenshot of a text message security alert sent out at 7:07 a.m. said the entrance to the base and hospital were restricted.

“PLEASE SHELTER IN PLACE UNTIL NOTIFIED,” it read, according to the screenshot shared on Twitter.

“Code white. There is an active shooter in the A M C C. Remain calm. Silence your cell phone. Run, hide, fight. Help is on the way,” the text message said. “Please respond. 1. Acknowledge; I will attempt to evacuate. 2. Acknowledge; I am sheltering in place. 3. I am on leave, liberty at alternate work site or T A D.

A CH-53E Sea Stallion Helicopter flies in for a simulated medical evacuation during the Tank Mechanized Assault Course aboard Marine Corps Air Ground Combat Center Twenty-nine Palms, California. Dated 2014.

A CH-53E Sea Stallion Helicopter flies in for a simulated medical evacuation during the Tank Mechanized Assault Course aboard Marine Corps Air Ground Combat Center Twenty-nine Palms, California. Dated 2014. (Universal Images Group via Getty)

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Twentynine Palms Marine Corps Air-Ground Combat Center, the largest U.S. Marine Corps Base also known as 29 Palms, sits adjacent to the city of Twentynine Palms in San Bernardino County, Calif., near Joshua Tree National Park.

The base stretches for 932 square miles across the Mojave Desert, according to KCAL.