PLAINFIELD, NJ - The shooting death of Plainfield resident Marcus Ellis, 25, is under investigation, acting Union County Prosecutor Grace H. Park said Thursday.

The shooting on Hillside Avenue on Wednesday evening in Plainfield left one Plainfield man dead and two others injured. The deceased victim has been identified as Ellis.

Plainfield Police Division patrol units responding to a report of gunshots being fired rushed to the 700 block of Hillside Avenue at approximately 11 p.m. Wednesday and found Ellis and one other shooting victim, a 26-year-old male, at the scene. The two men were transported to Robert Wood Johnson University Hospital in New Brunswick, where Ellis was pronounced dead shortly after 11:45 p.m., Park reported.

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While at the scene of the shooting, police were notified by personnel at the Muhlenberg Regional Medical Center Emergency room in Plainfield of a third shooting victim, who had driven himself there, and that person, a 30-year-old male, also was subsequently taken to Robert Wood Johnson for treatment. He and the other surviving shooting victim both suffered what are believed to be non-life-threatening injuries.

The incident is under joint investigation by the Union County Homicide Task Force, Plainfield Police Division, Union County Sheriff’s Office Crime Scene Unit, and Union County Police Department Ballistics Unit.

Anyone with information about this matter is being urged to contact Homicide Task Force Sgt. Michael Manochio at 908-966- 2287 or Detective Rudolfo Correia at 908-418- 5800.

The Union County Crime Stoppers also are offering a reward of up to $10,000 for information leading to an arrest and indictment in this case; tips can be given anonymously by phone at 908-654- TIPS (8477), via text message by texting “UCTIP” plus a message to 274637 (CRIMES), or online at