SAN MARCOS, Calif. (FOX 5/KUSI) -- Two people were sent to the hospital with injuries after an argument turned violent in San Marcos on Wednesday, authorities said. • The Nexstar Media video above highlights resources for crime victims

According to the San Diego County Sheriff's Office, the situation unfolded around 12:20 p.m. when a group was reportedly shopping together at a store located within the 1300 block of East Mission Road.

Two males in the group started arguing and the altercation quickly escalated. Police said one of them, now identified as 20-year-old Edwin Mendoza, brandished a knife and attacked his counterpart. The victim sustained multiple serious injuries.

A female companion of the two men tried to intervene during the altercation and was also injured by the suspect,

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