Three men tried to rob another man walking in Uniondale late Thursday, Nassau County police said.

The victim, 19, was on Macon Place near Clare Road at about 11:30 p.m. when three suspects approached him from behind, according to police.

The victim said a hard object was pressed into his back, which he believed to be a firearm, and the three demanded money, police said.

The victim refused and was punched in the stomach; when he yelled, the three men ran west on Macon Place, police said.

The three were last seen entering a dark-colored sport utility vehicle heading west on Uniondale Avenue.

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Police said the three men did not get any money.

Anyone with more information can call Crime Stoppers at 800-244-8477. All information will be kept confidential.