Police are investigating a robbery at a Subway store Wednesday...

Police are investigating a robbery at a Subway store Wednesday night, March 18, 2015, in Ronkonkoma. Suffolk County police said the robbery took place at the store on Portion Road at 9:40 p.m. Credit: Stringer News Service

Police are investigating an armed robbery at a Subway store Wednesday night in Ronkonkoma.

Suffolk County police said the robbery took place at the store on Portion Road at 9:40 p.m. No other details were immediately available.

Photos from the scene showed the store cordoned off by yellow police tape.

Police said the suspect, a man, entered the store, displayed a handgun and demanded cash. He then fled with cash, police said.

There were no reported injuries, police said.

Police said the robbery remains under investigation.

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