Suffolk County police said Thursday that they are looking for a man who robbed a Chase Bank in Shirley.

The suspect entered the branch on William Floyd Parkway near Tyne Road shortly after 4 p.m. Wednesday, handing a note demanding cash to a teller, police said.

The teller surrendered an unspecified amount of cash, and the suspect fled. He was last seen heading south through the parking lot.

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Police said the suspect is described as in his 20s, between 5-foot-8 and 5-foot-10 with a thin build. He was wearing a dark hooded sweatshirt, dark jeans and sunglasses.

Anyone with more information can call Crime Stoppers at 800-220-8477. All information will be kept confidential.