Crash involving police cruiser closes lanes of westbound 407
Lanes on the westbound side of Highway 407 has been closed for a police investigation.
There was a multi-vehicle crash involving a police cruiser.
Paramedics say 3 people were hurt, including one who is seriously injured.
A York Regional Police officer has minor injuries.
Authorities expect the highway will stay closed for 'several hours' for the clean-up and investigation.