Suspect being sought after man attacked in Center City Philadelphia

PHILADELPHIA (WPVI) -- Philadelphia police are asking for help finding the person accused of attacking a man in Center City.

Detectives just released these images from the incident that happened in the early hours of November 1.

They say the 22-year-old victim was walking along the 600 block of Chestnut Street when he was struck in the face and the head.

A motive for that attack is unclear.