Medics, the military and the emergency services have been taking part in a major exercise to see how they would cope in the evacuation of a hospital.
Around 140 people were involved in the operation, where mock patients were rescued from a ward filled with smoke.
All of the pictures in Claire Mongomery's reports were from the staged exercise today.
More top news
Police have released CCTV footage in an attempt to trace two men they want to speak to after a serious fire at Fisher Court in Ripon.
Hundreds of images have been unearthed of soldiers who posed for photos before they went into battle at the Somme.
Newcastle United have bolstered their medical department with two new appointments in the hope of improving the club's injury problems