Work to build new £9m Yorkshire Air Ambulance airbase underwayEmergency services rescue man who fell at Nidderdale gorgeCharity makes generous £300,000 donation towards new Yorkshire Air Ambulance air baseGALLERY: The Sights and Sounds of Ripon attract residents of all agesKnaresborough tractor run set to return this weekendRescue operation after man and dog fall through ice near MashamMan crushed by horse near Harrogate to recall ordeal on TV tonightYorkshire Air Ambulance to create new northern base near RiponHarrogate man whose fingers were severed by lawnmower on TV tonightKnaresborough tractor run raises £30,000