Nassau County police are looking for a masked man who robbed a Franklin Square McDonald's early Monday.

Fourth Squad detectives said a man in a black hooded sweatshirt with a white bandanna around his face entered the restaurant at 575 Franklin Ave. at about 5 a.m. and demanded money from a cashier.

The cashier, a man, 22, gave the suspect an unspecified amount of cash, police said, and the suspect fled in an unknown direction.

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No injuries were reported, police said.

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