LAKE RONKONKOMA, N.Y. (AP) Police on Long Island say an armed serial robber has struck again twice in one night.

Suffolk County police say the thief held up a convenience store in Lake Ronkonkoma and a fast food restaurant in Shirley on Tuesday.

Police released a video that shows the suspect near one of the locations.

He's accused of 14 other robberies of commercial establishments since Dec. 9.

Police say he's armed and wears a ski mask or hides his face behind a scarf.

No one has been injured.

Anyone with information is asked to call Crime Stoppers at 1-800-220-TIPS