Police are asking for help finding a man accused punching a security guard in the face while shoplifting from a major retailer.

The man took something from a store on the North 5th Street Highway in Muhlenberg Twp., Berks Co., on December 10, police said.

As the man was leaving, police said he punched a loss prevention officer in the face.

Anyone who can help police identify the shoplifter is asked to call Crime Alert Berks County at 877-373-9913. A cash reward of up to $5,000 is being offered for information that leads to an arrest.