Man, 23, Fatally Shot After Halloween Party in Gated Community in Pico Rivera

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A gunman was being sought Sunday after shooting and killing a 23-year-old man during an argument at a Halloween party held inside a gated community in Pico Rivera, according to sheriff's deputies.

A man was fatally shot after attending a Halloween party in Pico Rivera on Nov. 1, 2015. (Credit: KTLA)

A man was fatally shot after attending a Halloween party in Pico Rivera on Nov. 1, 2015. (Credit: KTLA)

A shooting broke out in the 9600 block of Par Place shortly after midnight, according to a Los Angeles County Sheriff’s Department news release.

A 23-year-old man was found dead at the scene, and investigators determined he and another person had attended a party when an argument began.

The gunman then produced a firearm and shot the victim several times, sheriff’s deputies said.

Local residents told KTLA they heard at least four gunshots.

The investigation continued Sunday and a description of the gunman was not provided.

Anyone with information was asked to contact the Sheriff's Department's Homicide Bureau at 323-890-5500. Those who wished to remain anonymous could call "Crime Stoppers" by dialing 800-222-8477, texting the letters TIPLA and the tip to 274637, or by visiting http://lacrimestoppers.org.