Ontario's police watchdog is investigating a crash in Markham that left a 55-year-old man with serious injuries on Saturday.

Roughly two weeks later, London police now say three people are facing numerous charges.

Toronto police say the Special Investigations Unit is investigating after several people -- including two teen boys -- allegedly opened fire on officers who were searching a home.

Ontario's police watchdog says the officer who initially tried to stop the driver accused of causing a multi-vehicle crash that killed a Caledon mother and her three young daughters will not be facing charges.

The accused is set to appear in court on Oct. 17, 2020. 

The SIU says a man arrested following an over 12-hour standoff after a stabbing in Kingston was sent to hospital with a serious injury and remains there as of Thursday.

The Special Investigations Unit says the 29-year-old from Toronto died on April 18.

Ontario's Special Investigations Unit has been called in to investigate following a serious collision west of London, Ont., Wednesday morning.

Ontario’s police watchdog was called in to investigate after a 31-year-old man fell from a highway overpass in Kitchener on Tuesday night.

Ontario’s Special Investigations Unit is investigating after suspects in an armed robbery were in a collision in London.