A man has been airlifted to hospital with critical injuries after a two-vehicle collision on Highway 401.
Two eastbound lanes of the 401 are closed, near Highway 25 in Milton, after a car and transport truck collided at about 5:30 p.m.
Two people were injured, according to Ornge.
One of them, a man believed to be about 19 years old, has been critically injured and has been airlifted to a hospital in Hamilton.
Ornge originally said the critically injured patient was female.
The lanes were closed until about 10:30 p.m. for the investigation.