Waterloo Regional Police are continuing to investigate a weapons incident which occurred in downtown Kitchener on Friday afternoon.
Police say officers were called to Weber Street West and Victoria Street North at around 2:30 p.m. after two people had been sprayed with a noxious substance.
They say the victims, a 48-year-old man and 38-year-old woman, required treatment at the scene of the incident by paramedics.
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According to police, the victims and suspect are known to each other.
Police are asking anyone with information to call at 519-570-9777 or Crime Stoppers at 1-800-222-8477.