WAUKESHA COUNTY, Wis. (CBS 58) -- The Waukesha County Sheriff's Department is currently searching for a masked gunman who robbed the Clark gas station in the Village of Sussex on Tuesday.

The Sheriff's Department says the gunman brandished a silver revolver and demanded cash before exiting the gas station. He was last seen running eastbound through the gas station parking lot towards Waukesha Avenue.

The suspect is believed to be a white man, 5'9 to 5'10, with a medium build. He was last seen wearing dark clothing at the time of the incident with a black ski mask. He was wearing one dark colored winter glove on his right hand and a blue, latex glove on his left hand. 

The Waukesha County Sheriff’s Department is requesting that anyone who may have surveillance camera footage in the surrounding area to please review it and report anything suspicious. If anyone has any information please contact Detective Hoppe at 262-896-8047.