A 16-year-old boy shot in the head three days ago in Uniondale died Friday night, Nassau County police said.

Alexon Moya of Uniondale was pronounced dead at 7 p.m. at Nassau University Medical Center in East Meadow, police said.

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He was among three or four males standing on Fenimore Avenue near Braxton Street when two boys rode up on bicycles Tuesday night, police said.

There was an argument, and one of the bicyclists shot Moya just before 11:30 p.m., police said.

The suspects, between 16 and 18 years old, then rode off on their bikes in an unknown direction, investigators said.

Homicide detectives ask anyone with information to contact Nassau County Crime Stoppers at 800-244-TIPS.