Emotions running high after two people, including a teen, were found dead lead to a fight involving about two dozen people.
Oakdale Police officers and Stanislaus County Sheriff deputies responded to calls about shots fired Sunday night.
One adult and one teen were found dead along East I Street, near a market.
The person believed to be the shooter was arrested and investigators say the gun was recovered.
Friends say the teen victim was 15 years old.
Monday afternoon, dozens of people who knew the victims, or heard about the shooting gathered in a parking lot near the scene.
Officers were on hand as mourners got into a fight.