1 in custody after stabbing at Mt. San Antonio College


A person was detained Wednesday after an altercation at Mt. San Antonio College resulted in a man being stabbed, officials said.

The incident was reported around 11:35 a.m. at the campus located at 1100 N. Grand Ave. in Walnut.

Los Angeles County Sheriff’s Department deputies responded to a call about two men fighting and one possibly stabbed in the neck.

College stabbing
Police and fire officials respond to a stabbing at Mt. San Antonio College on Sept. 20, 2023. (KTLA)

The victim was taken to a nearby hospital in unknown condition and one person was taken into custody, authorities said.

There was no threat to the campus and no further disruption, officials said.

Authorities did not release further information about the victim, the suspect, or what led up to the altercation.

Deputies remained on the scene investigating when Sky5 was overhead just before noon.


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