Sunday, December 11, 2005 A series of large explosions have occurred close to Hemel Hempstead Hertfordshire, UK. The source of the explosions has been confirmed as the Hertfordshire Oil Storage Terminal (HOSL), Hemel Hempstead, known locally as the Buncefield complex. Up to 150 fire fighters are reported to be at the scene with 10 fire appliances and 1 specialist foamer. The first ‘blast’ was heard near Hemel Hempstead on Sunday