Nassau police want the public’s help in finding the suspect who tried to rob a Chinese food deliveryman Tuesday afternoon in Roosevelt.

The victim, 49, was in his car on East Greenwich Avenue about 2:24 p.m., when a would-be robber tried to pull open the driver’s side door, police said.

Fearing for his safety, the deliveryman drove away and called 911, police said. He was not injured.

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The deliveryman described the assailant as someone in his late teens, about 5 feet 8 inches tall, police said. He wore a blue hoodie, police said.

Detectives ask anyone with information to call Crime Stoppers at 800-244-TIPS.