LONDON, ONT -- A cyclist is fighting for their life after being struck by a box truck near Port Ryerse south of Simcoe, Ont.
Norfolk County OPP have closed down Radical Road between Highway 24 and Port Ryerse Road following the collision shortly after 8 a.m.
Police say that the cyclist was traveling eastbound on Radical Road when they were struck by a box truck, also eastbound.
The cyclist was ejected and suffered serious life-threatening injuries.
They have since been airlifted to hospital for treatment.
Police say Radical Road will be closed for some time while they investigate the crash.