Nassau detectives say they believe the man who robbed a Hicksville bank on Monday may be have been responsible for another robbery two days earlier.

Police said the suspect robbed a Chase bank branch on North Broadway in Hicksville at 5:44 p.m.

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After producing a demand note and threatening to use a gun, police said, the suspect got an undisclosed amount of cash -- and fled on foot.

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There were five employees in the bank at the time. Police said no one was injured.

The robber was 5 feet, 6 inches tall, in his 20s, wore sunglasses, a white T-shirt, blue jeans and a black baseball cap adorned with an NY logo, police said.

Police believe the robber to be the same suspect wanted in a bank robbery that took place Saturday in Rockville Centre.

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Police are asking anyone with information regarding the robbery to call Crime Stoppers at 800-244-TIPS. All calls will remain anonymous.