The Clark Gas station at 603 Findlay Road in Lima was robbed Tuesday morning.
The suspect was wearing gray pants, a sweatshirt with a hood pulled tight and a mask.
He brandished a firearm and demanded money from employees and left the store with an undisclosed amount of money.
If anyone has information about the robbery, contact the Lima Police Department 419-227-4444 or Crime Stoppers 419-229-STOP.