QEW Toronto bound closed in Mississauga

Emergency crews are responding to a serious multi-vehicle crash on a major highway just west of Toronto.
 
Ontario Provincial Police have closed a stretch of the Queen Elizabeth Way in Mississauga, due to the crash.

All westbound lanes are closed at Cawthra Road and all Toronto-bound lanes are closed at Hurontario Street.

A spokesman with Ornge air ambulance says a 12-year-old boy was airlifted to Toronto's SickKids Hospital with critical injuries.

Joshua McNamara says other people were transported by land ambulance, but doesn't say how many.