KENT COUNTY, Michigan (WZZM) - Kent County Deputies are investigating an armed robbery at a gas station.

Kent County Dispatch says the robbery happened about 4:30 am Tuesday at a Marathon station in the 8300 block of Byron Center Avenue.

Investigators say a man with a hand gun entered the building, wearing a facial disguise and a hooded shirt. He stole cash and ran away.

Police brought in a tracking dog to search for the suspect, but the dog was not able to find the man. Investigators also say the fog hampered their ability to find the suspect.

If you have information about the armed robbery, you are asked to call the Kent County Sheriff's Department at 616-632-6100 or Silent Observer at 616-774-2345.