A two vehicle collision has closed a section of Road 131 in Perth County near Listowel.
Air ambulance was dispatched to the head on collision that occurred at Road 131 and Line 83 around 9:30 a.m.
One person was taken to hospital in London with critical injuries.
OPP are on scene and Perth Road 131 is closed between Line 86, and Line 80.
Police say an update will be provided following their investigation.
