On 20 December 2004, a total of £26.5 million in cash was stolen from the headquarters of Northern Bank on Donegall Square West in Belfast.
Having taken family members of two bank officials hostage, an armed gang forced the workers to help them steal used and unused pound sterling banknotes.
This was one of the largest bank robberies in the history of the United Kingdom.
The Danish Danske Bank took over the Northern Bank in 2004.
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