The UK Government has been stress testing emergency plans to deal with blackouts lasting up to a week, it has been reported.
A confidential plan known as Programme Yarrow prepares for a "reasonable worst-case scenario" in which transport, food and water supply, communications, and energy could be "severely disrupted" for up to seven days.
Documents marked as "official sensitive" obtained by The Guardian reveal the Government's priorities if this event were to ever occur. Yarrow is separate from the National Grid scheme which could see three-hour blackouts occur as a last resort to protect energy supplies.
