HOUSTON- A convenience store clerk shot a robbery suspect at a gas station in south Houston on Monday afternoon, police said.

According to the Houston Police Department, the shooting happened around 3:50 p.m. at a gas station on Cullen at Yellowstone.

The clerk said the suspect walked into the store and demanded money before punching him in the face. The clerk then pulled out his gun and fired three shots at the man.

The suspect was transported to a hospital; police haven't confirmed how many times the suspect was hit. The suspect has undergone surgery at the hospital.

HPD questioned the clerk, but no charges have been filed against him.