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Further back, an immense 1859 storm known as the Carrington Event set afire recording tape at telegraph stations.

Scientists have warned that if another Carrington happens, we would be even more vulnerable today given how much of our lives depend on the electrical grid.

The transformation plan will include some staff moving from Old Trafford to the club's Carrington training base and a reduced presence will be maintained in London, but all the club's leadership will be Manchester-based, including Armstrong.

Free lunches will no longer be provided for staff at Old Trafford, saving more than £1m a year, while the catering arrangements at Carrington will be unchanged for the remainder of the season.

Sources say Ratcliffe has already injected £300m to help pay for extensive improvements to United's Carrington training ground and on planning for a potential new stadium.