No one was injured during an armed robbery at the BP gas station, 1469 South Randall Road in Algonquin, early Monday morning. | Photo: Google Street View

Police are investigating a robbery at a gas station in Algonquin where a man implied he had a gun and stole money from the clerk early Monday morning.

The Algonquin Police Department responded around 3:45 a.m. Monday to the BP gas station, 1469 South Randall Road in Algonquin, for a report of an armed robbery that just occurred.

Algonquin Deputy Police Chief Ryan Markham told Lake and McHenry County Scanner that officers arrived and the offender had already fled the scene.

The officers learned the offender had entered the convenience store and demanded money from the cash register.

The offender implied that he was in possession of a gun but did not display any weapon, Markham said.

Markham said the offender obtained an undisclosed amount of cash and fled the scene.

No one was injured during the robbery.

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The offender was seen getting into a dark-colored, possibly gray or blue, compact SUV.

Markham said the offender is described as a male white, of large build, wearing a red shirt, khaki pants and red mask with only his eyes showing.

Members of the Algonquin Police Department Criminal Investigations Division are actively investigating the case.

Anyone with information is asked to contact the Algonquin Police Department at 847-658-4531.