The moment a 40,000 piece jigsaw of the Queen collapsed

The moment before the giant jigsaw collapsed. Credit: ITV News

It was a masterpiece fit for a Queen.

Dave Evans had spent more than 200 hours and several weeks crafting a 40, 000 piece jigsaw of images from the Queen's Diamond Jubilee.

His impressive work of art was due to be displayed at Her Majesty's Sandringham Estate, but, in a matter of seconds, his creation was demolished.

ITV News reporter Ben Chapman explains: