A motorcyclist has died in a crash on Highway 401 near Courtice, Ont., police say.
Emergency crews were called to the on-ramp from Highway 401 to Highway 418 shortly before 4 p.m. for a single-vehicle collision.
Police say a motorcycle, for unknown reasons, left the highway and crashed into a ditch.
The rider suffered life-threatening injuries and was taken to the hospital, where they were pronounced dead, police say.
The cause of the crash is unknown. The ramp is closed for the investigation.