San Antonio police are on the look out for a man who walked into a Shell gas station and robbed the clerk at knife point late Wednesday night.

Police responded to the robbery call just before 11 p.m. at the Shell station at Babcock and Wurzbach Road.

Police said the suspect threatened the clerk and demanded money. The clerk complied and the suspect fled on foot and was seen driving away in a Ford Explorer.

The clerk was not injured and gave police a description of the suspect.