The shooting happened around 7:30 p.m. Sunday, July 4 in Roosevelt, where Nassau County Police say two groups were involved in an altercation at the party on Hudson Avenue.
Multiple shots were fired and as a result, three people were struck by gunfire, police said.
A 27-year-old man from Hempstead, identified as Tavon Greenhill, age 27, of Hempstead, was pronounced dead at the scene, said police.
On Friday, Aug. 6, the second suspect, 29-year-old Lawrence Sims, 29, of Hewlett, was arrested and charged with attempted murder and two counts of second-degree criminal possession of a weapon.
He will be arraigned on Saturday, Aug. 7 at First District Court in Hempstead.
Original report: One Killed, Two Injured In Shooting At Long Island Block Party
The first suspect in the shooting, Michael Wright, age 34, of Roosevelt, was arrested on Tuesday, July 27.
He was charged with second-degree murder, two counts of second-degree attempted murder, and one count of second-degree criminal possession of a weapon.
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