A crash has closed a section of the Trans-Canada Highway near Carberry, Manitoba.
RCMP have posted on social media that they are on the scene of a very serious collision near the intersection of Highway 1 and Highway 5.
The STARS air ambulance service says it has been dispatched to the scene.
The Health Sciences Centre has been placed in code orange — a term that means preparing for a mass casualty event.
The Manitoba government says all lanes of Highway 1 in both directions have been closed over a 6.4-kilometre stretch.
Carberry is 170 kilometres west of Winnipeg.