A motorcyclist was pronounced dead at the scene of a collision in Scarborough Wednesday evening. , A male motorcyclist is in critical condition in hospital following a crash in Mississauga. , A man has been critically injured in a crash in Vaughan. , Police are continuing to search for a vehicle involved in an Oshawa crash that sent a 14-year-old boy to hospital with critical injuries. , A 70-year-old motorcyclist has died following a collision in Whitchurch-Stouffville Friday afternoon. , Ontario Provincial Police say they are trying to track down a vehicle they say may have been street racing with a motorcyclist killed following a collision on Highway 427 late Friday night. , A motorcyclist has died after a collision with a truck in Vaughan on Thursday afternoon. , A male motorcyclist has been taken to hospital in serious condition after losing control of his bike on Highway 401 late Thursday night. , The Ontario Provincial Police say a motorcyclist has died following a collision on Highway 400 north of Barrie late Saturday afternoon , A York police officer has been charged with impaired driving after a collision in Markham on Sunday that left a motorcycle driver with serious injuries.