Ontario Provincial Police have released the identities of the three people who died following a pick up crash in Huron East.
Emergency crews were called to the single-vehicle crash in the community of Brussels at around 7:45 a.m.
Police said a male driver and two male passengers were pronounced dead at the scene. A fourth passenger was airlifted to a hospital in London with life-threatening injuries, according to police.
The deceased have been identified as 17-year-old Dennis Linthorst, of Howick Township, 19-year-old Ivan Kuepfer, of South Bruce, and 14-year-old Owen Baker, of Brockton.
Police have not released the age or identity of the person who was taken to hospital.
Brussels Line between Cardiff and Browntown roads was closed for several hours, and drivers were asked to avoid the area.
Brussels is approximately 100 kilometres north of London.
Anyone with information is asked to call Huron County OPP at 1-888-310-1122.
Anonymous information can be left with Crime Stoppers at 1-800-222-8477.