Police investigating the disappearance of Coventry mum Nicola Payne have now completed their searches of an area of land in Binley.
The search lasted for six hours in overgrown woodland off Dunrose Close yesterday.
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John Preece is 75 and believed to be in the early stages of dementia.
The man was found last night with serious injuries to his head and torso.
Firefighters were on the scene within minutes after the collision involving three vehicles.