Video: Astonishing footage shot by brave firefighters shows them almost dying as a deadly blast caused by an exploding propane gas tank throws them on their backs!
The clip, uploaded by Limestone Police Department, shows fire crews working to control a blaze raging through a house in Maine, US. Panicked shouts can be heard as the firefighters attempt to quell the flames with a powerful hose – but the inferno only grows bigger. Suddenly the ball of flames detonates with an ear-splitting hiss, as a propane tank hidden inside the building explodes.