Nassau County police are investigating the attempted robbery of a Domino’s pizza deliveryman in Uniondale Saturday night.

There were no injuries.

According to detectives, the incident happened at 11 p.m. as the deliveryman, 43, was in his car after completing a delivery on Van Buren Street.

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While the delivery man was counting his money, a male with a thin build, between 16 and 20 years old, banged on the window and demanded the money while displaying a knife, police said. The deliveryman then drove off and the suspect fled in an unknown direction, police said.

Detectives ask anyone with information to contact Nassau County Crime Stoppers at 800-244-TIPS (8477). All callers will remain anonymous.