Man wanted for punching 81-year-old in the face in Melrose

Police are searching for a man they say assaulted an elderly man in Melrose.
Police say the incident happened on July 15 on Cortlandt Avenue.
The suspect came up behind the 81-year-old victim and punched him once in the face.
The victim suffered pain and bruising as a result.
There was apparently no interaction between the two prior to the attack.
The suspect is described as a man with curly black hair and was last seen wearing a black shirt, black shorts and black and white sneakers.
Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.