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Information provided by the Hollister Police Department.

A 20-year-old man was arrested Saturday, July 21 at a Hollister house party and was charged with assault with a deadly weapon, possession of brass knuckles, and obstruction of an officer.

On Saturday, July 21 around 9:40 p.m., officers with the Hollister Police Department were dispatched to the 200 block of Sundance Drive for a report of a fight with weapons in the street outside of a residence.

There was a large party at the residence and it was out of control, according to a recent police press release. One caller told the dispatcher someone had a handgun and was involved in the fight. Officers Miguel Masso and Miguel Martin Del Campo arrived to about 100 teens and young adults in the street.

Witnesses directed Officer Masso to main suspect Wyatt Dennin, 20, who had reportedly taken swings at people with brass knuckles. Upon being confronted by officers, Dennin discarded the knuckles, but was not compliant with officer’s commands. He was subsequently placed under arrest, but a hostile crowd formed around the officers, the press release said. Additional officers arrived to assist and they were able to restore order.

The owners of the residence where the party was held had been out of town due to a family death, the press release said. Their kids, ages 19 and 20, texted a few friends for a pool party. Word got out via social media and people from Monterey, Gilroy, Morgan Hill, and Hollister arrived to partake in the festivities.

Dennin, unknown to the people having the party, got into a fight with others there. Dennin allegedly hit several people and was hit himself. He suffered a broken jaw, the press release said. When Officer Masso arrived, Dennin was actively assaulting one of the victims. Dennin was taken to Hazel Hawkins Hospital for treatment, but transferred to San Jose Regional for emergency surgery on his face.

No other victims or suspects were identified. No gun was found, but one cell phone video of the party showed a person with Dennin brandishing a handgun, the press release said.

Dennin was charged with assault with a deadly weapon, possession of brass knuckles, and obstruction of an officer.

The Hollister Police Department would like to ask if anyone that was at the party, or knows of someone at the party that may have additional video of the suspect with the gun, to please contact the Hollister Police Department.

Anyone with information regarding this investigation is requested to contact Officer Rudolfs at (831) 636-4330. Persons wishing to remain anonymous may call WeTip at (800) 78-CRIME. Information provided to WeTip may qualify for a reward.