A driver suffered serious head injuries after he struck a horse in Clarington early Tuesday morning.
The collision occurred at around 3 a.m. in the area of Concession Road 7 and Langmaid Road.
Police say the driver hit a horse that had escaped from a stable nearby.
The male was airlifted to a trauma centre for treatment.
The horse did not survive, police confirm.
The area was shut down for a police investigation but has since reopened.