Nassau County police arrested a Brooklyn man after he attempted to rob another man leaving a check cashing store in Valley Stream early Saturday.

Police said Ryed A. Alsaidi reached into the 20-year-old victim's pockets and demanded cash near the Check Cashing store at 500 W. Sunrise Hwy.

When the victim refused, police said, Alsaidi threatened him with a gun, which was not displayed. The victim ran and called police.

Responding police officers located Alsaidi in the rear of 460 W. Sunrise Hwy. and arrested him without incident.

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No injuries were reported.

Alsaidi, 18, of 936 E. 80th St., Brooklyn, is charged with second-degree robbery and will be arraigned Saturday at First District Court in Hempstead.