Police investigate assault in Center City

Philadelphia police are investigating an assault on the 1300 block of Walnut Street in Center City.

It happened Sunday, Jan. 27 around 11 p.m.

Police say a 50-year-old man was attacked by four men and a woman. The victim was transported to Jefferson University Hospital after suffering a head injury and is listed in stable condition.

Police did not release any other information but said the investigation is ongoing.

This is a developing story. Check back for updates.