Police are investigating a report of a possible armed robbery at a Mobil gas station early Monday in Merrick.

Nassau County police said the robbery was reported in a 911 call at 6:37 a.m. The station is on Merrick Road near the Meadowbrook Parkway. Police said no one was injured -- and said the suspect was still at-large at 8:45 a.m.

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It was not immediately clear how much was taken.

Police said the incident was not part of a recent series of pattern gas station robberies.