VALLEJO, Calif. (KRON) — Three people were injured Sunday morning in an altercation near a homeless encampment, the Vallejo Police Department told KRON4. The incident happened in the area of 3rd and Lemon Streets around 7:24 a.m.

Officers responded to the scene and found two people suffering from gunshot wounds and another with a stab wound. One of the gunshot victims, who police described as a 31-year-old transgender Vallejo resident, was killed.

The other gunshot victim was described as a 27-year-old transgender Albany resident. That victim was taken to a local hospital and is in critical condition.

The stabbing victim located at the scene is an 80-year-old man from Vallejo. He was hospitalized and is also listed in critical condition.

Vallejo police officers found a person near the scene who was involved in the altercation. The subject was arrested and booked into jail. Police is still investigating the arrestee’s true identity.

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The homicide was the city’s 23rd of the year. Anyone with information is asked to contact Detective Ken Jackson at (707) 648-4280 or Brian Murphy at (707) 648-5430.