NORWALK (CBSLA.com)  —  Authorities said the discovery Friday of a man’s body in Norwalk is being investigated as homicide.

Detectives were dispatched to the 12000 block of Nava Street just before 3:55 p.m., officials said.

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The man was pronounced dead at the scene, said LA County Sheriff’s Deputy Ryan Rouzan.

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The man’s body was found inside a home after authorities responded to a call about gunfire.

On Saturday, officials identified the man as 23-year-old Paul Joseph Rivera of Norwalk.

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The investigation is on-going, authorities said.