A 30-year-old store clerk foiled the plans of a masked robber Wednesday night in Westbury when the clerk gained control of a knife the robber was holding to his stomach, Nassau County police said.

According to police, a man, 5-foot-7 and 150 pounds, entered the Variedades Eloisa variety store, at 440 Maple Ave., at 7 p.m., demanding money from the male clerk.

When the robber went behind the counter, a struggle ensued, with the clerk gaining control of the knife, police said.

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The robber fled westbound on Maple Avenue with no proceeds, said police, who reported no injuries.

Anyone with information can call Nassau County Crime Stoppers anonymously at 800-244-TIPS.