Waterloo Regional Police said on Twitter that there was an “increased police presence in the area of ​​Millwood Crescent in Kitchener for an investigation.” Police asked residents to avoid the area, and also directed traffic away from a section of nearby Doon Village Road. At one point, the officers were dealing with a person who had barricaded himself. Two hours after the initial tweet, police told CTV News they had cleared the scene and an arrest had been made. Police told CTV News that the people involved in the disturbance were known to each other.