Anonymous tips have led to the arrest of two men who were allegedly involved in an assault, on Chestnut Street near Front, in Old City, which left a 27-year-old man unconscious in late April.

Police announced Wednesday that Salvatore Piccolo, 20, and Tracy Biondo were arrested and will face aggravated-assault charges, along with two other men who were involved.

On May 10, police arrested Michael Russo, 21, and Edward Costello, 19 in connection with the assault.