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A 19-year-old man was arrested following a shooting at a state recreation area in San Luis Obispo County that sent six people to the hospital, authorities said Sunday.

State park officials received 911 calls of shots fired at Oceano Dunes around midnight on Sunday, according to the county Sheriff’s Office. Multiple victims received treatment at the scene before six of them were hospitalized, officials said.

The following afternoon, Francisco Orozco was arrested on suspicion of attempting to kill, the office said in a statement.

No fatalities were reported, Cal Fire San Luis Obispo tweeted.

“At this time the Sheriff’s Office believes this is an isolated incident,” the agency said in statement earlier Sunday.

Oceano Dunes, located along the Central Coast about 16 miles south of San Luis Obispo, has camping sites and grounds for off-highway vehicles.

The case remains under investigation. Anyone with information can call the Sheriff’s Office at 805-781-4550. Those who wish to remain anonymous can contact Crime Stoppers by dialing 805-549-STOP (7867) or visiting slotips.org.

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