Authorities are looking for a man suspected of armed robbery of a gas station.

Around 11:30pm Sunday, the Battle Creek Police says the man entered the Shell station in the 4900 block of West Columbia in a heavy coat and face covering, pulled a knife on the clerk and demanded cash.  The suspect then fled in the direction of I-94.

Police brought in a K-9 unit, but were unable to track the man.

If you have any information, please contact the Battle Creek Police or Silent Observer.