Suffolk Police are investigating the late-Monday robbery of a local fast-food drive-in by a male in a clown mask, according to a city press release.

The robbery happened at the Sonic in the 1500 block of North Main Street. It was reported at 10:41 p.m.

Preliminary investigation found that a male in a hooded jacket and clown mask entered the business, displayed a handgun and demanded money. He fled on foot after receiving an undetermined amount of money, the press release stated.

There were no injuries.

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.