Blackout Strikes London As UK Power Grid "Experiences A Major Incident"

Update: Electricity providers confirm 90% of customers are now restored and we are working hard to restore the remaining customers as soon as possible.

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London and large parts of the south of England are suffering from a widespread 'power cut' described as "a major incident" by electricity providers.

Transport for London said the drop in power is affecting traffic lights, while many trains have been delayed.

The blackout struck as Brits commute home (or head to the pub)...