The gunman wore a white T-shirt covering his face.

Police said he walked into a 7-Eleven store at 1599 Hillside Ave. in New Hyde Park early Friday, told the clerk he had gun and demanded cash. He took the money and ran.

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Now, Nassau County police are looking for him.

The armed robbery took place at 3:25 a.m. Police said a 28-year-old store employee was not hurt.

The robber was about 5-foot-9 with a medium build, police said. He wore olive green shorts, a black T-shirt with a gold stripe and flip flops. Police said that, despite announcing he had a gun, no weapon was seen during the crime.

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