Our exclusive pictures show the ferocity of the Eastfield blaze that firefighters from around North Yorkshire are currently battling.
Hundreds of people are now watching the dramatic scenes at the former Burnside Resource Centre, which officials say is “well alight”.
Our pictures from photographer Robert Townsend show flames roaring inside the derelict building, with firefighters using an aerial appliance to try and get the blaze under control.
Around nine crews are now thought to have been at the scene, with the first engines racing there at around 9am.
The cause is not yet known.
More to follow.