News Release

SIU Investigating Police-Involved Shooting in Unionville

Case Number: 25-OFD-237   

Mississauga, ON (11 June, 2025) ---
The province’s Special Investigations Unit is investigating the circumstances surrounding a police-involved shooting that occurred in Unionville this morning.

Preliminary information suggests the following:
  • At approximately 4:45 a.m. on June 11, 2025, a resident of a condominium complex on 278 Buchanan Drive contacted police to report hearing a dispute coming from another unit.
  • York Regional Police officers were dispatched to the scene.
  • Upon arriving at the unit, the officers heard sounds of a disturbance from inside.
  • Officers entered the unit, and a short time later, one officer discharged his firearm. A man was struck.
  • The man, and a woman who was located inside the unit, were transported to hospital for treatment of serious injuries. The man is currently in critical and life-threatening condition, and the woman is in stable condition.

Three investigators and three forensic investigators have been assigned to the case. 

The SIU is urging anyone who may have information about this investigation, including video or photos, to contact the lead investigator at 1-800-787-8529 or online at: https://siu.on.ca/en/appeals.php

If you or someone you know is an affected person in need of support, please call the Affected Persons Program General Referral Line at 1-877-641-1897 or click here for more information: siu.on.ca/en/apc.php

The SIU is an independent government agency that investigates the conduct of officials (municipal, regional and provincial police officers, police officers with the Nishnawbe Aski Police Service, special constables with the Niagara Parks Commission and peace officers with the Legislative Protective Service) that may have resulted in death, serious injury, sexual assault and/or the discharge of a firearm at a person. All investigations are conducted by SIU investigators who are civilians. Under the Special Investigations Unit Act, the Director of the SIU must

  • consider whether the official has committed a criminal offence in connection with the incident under investigation
  • depending on the evidence, cause a criminal charge to be laid against the official where grounds exist for doing so, or close the file without any charges being laid
  • publicly report the results of its investigations

Lisez ce communiqué en français.

Monica Hudon, siu.media@ontario.ca
SIU Communications/Service des communications, UES