In April 2015, the Hatton Garden Safe Deposit Company, an underground safe deposit facility in London's Hatton Garden area, was burgled. The total stolen may have a value of up to £200 million] and the incident has been called the "largest burglary in English legal history."
Here's a modern folk song about it:
Lyrics written and sung by Becky Brewis
Arrangement: Peter Brewis
Guitar: Ian Laws
Animation: Becky Brewis