This is equivalent to £ in 2015 terms .

With careful planning Arranging based on inside information from an individual known as `` The Ulsterman '' ( erroneously named as Patrick McKenna in 2014 ) , the robbers escaped Escaping with over £2.6 million ( equivalent to £ today ) .

The biggest bomb detonated in Great Britain since World War II , it targeted Aiming the city 's infrastructure and economy and caused Causation devastating damage , estimated by insurers at £700 million ( equivalent to £ in ) – only surpassed by the 2001 September 11 attacks Attack and the 1993 Bishopsgate bombing Attack in terms of financial cost .