This is the shocking moment a pair of thugs set fire to a historic mill, causing £2 million of damage, during a moment of "utterly needless vandalism".
Scott Parker and Martyn Rodger, both 19, joked about starting the blaze before filming themselves carrying out their plan so they could "put it on Facebook.
In shocking footage, they can be seen lighting a fire at Provender Mill in Gloucester, which causes a huge explosion.
Police released the video, shot on...
