A newly-discovered hoard of secret Second World War aircraft technical drawings will be used by enthusiasts to rebuild and launch a Mosquito plane into the skies above Britain.

More than 20,000 wartime Mosquito engineering drawings and diagrams have been found in the corner of a wartime factory just days before bulldozers were due to flatten it.

The archive includes what are thought to be the world’s only complete set of engineering drawings for the plane, as well as details of variants that never made it off the drawing board.