Disaster Masters dealt with what major conflagration caused by a series of explosions on December 11, 205 at the Hertfordshire Oil Storage Terminal?
Disaster Masters:  During the different series, they were seen dealing with major disasters such as the Carlisle floods, Birmingham tornado and the Buncefield oil depot explosion. Buncefield fire: The Buncefield fire was a major conflagration caused by a series of explosions on 11 December 2005 at the Hertfordshire Oil Storage Terminal, an oil storage facility located near the M1 motorway by Hemel Hempstead in Hertfordshire, England.
The Buncefield fire