Hamilton police are investigating an aggravated assault after a man was attacked with a knife Friday just before 11 p.m.

Police say the man was walking with his mother in the area of Britannia and MacLaren avenues when a group of men started whistling at his mother and he took offence. The group was described as three to five black youths aged 15 to 17 years old.

Police says the man confronted the youth and a fight ensued. The man was left with wounds from a knife.

The suspects fled the area and the man was taken to hospital and treated for non-life threatening injuries.

Police ask anyone with information to call them at 905-546-4925 or to provide information anonymously to go through Crime Stoppers at 1-800-222-8477 or crimestoppershamilton.com.