Suffolk Police are investigating an armed robbery of a gas station that happened early Friday morning.

The robbery was reported at 4:28 a.m. at the Circle K in the 800 block of West Washington Street, according to a city press release. Witnesses told police that a black male suspect, wearing a gray USMC sweatshirt with a white hood covering his head, black and white shoes and dark-colored jeans, displayed a handgun and took an undetermined amount of currency before fleeing the business on foot. There were no injuries.

The investigation is ongoing, and no further information is available for release.

Anyone with information is asked to contact Crime Line at 1-888-LOCK-U-UP. Tipsters can also submit tips by going to www.p3tips.com or by visiting the Suffolk Police Department website at www.suffolkva.us/spd and looking for the Suffolk Crime Line link. Tipsters never have to give their names or appear in court and may be eligible for a reward of up to $1,000.