What happens if all the lights go out? This is the plan for a 'Black Sky' event

Summary
A Black Sky event could leave millions without power, water and communications. So how prepared is the UK?
Description from BBC News.
Who is covering this
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BBC emergency plans for UK ‘Black Sky event’ with ‘3 days of food and fuel'
The BBC has revealed emergency plans for a UK-wide 'Black Sky event'.
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What happens if all the lights go out? This is the plan for a 'Black Sky' event
A Black Sky event could leave millions without power, water and communications. So how prepared is the UK?

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