Waterloo regional police have arrested two youths they say demanded someone take off their clothes at knifepoint.

According to a news release, a youth reported around 4:50 p.m. on Saturday that they were approached by four males and assaulted at Fairview Mall in Kitchener.

Police say one of the males took out a knife and demanded the victim take off their clothing.

They add that the victim was able to get away after being chased by the suspects.

A youth have been arrested and charged with assault with a weapon, robbery, and forcible confinement, while another youth faces the same charges plus possession of a weapon for a dangerous purpose.