Panic grips blackout stricken Spain as residents told to stay indoors

Nationwide power outages said to have been caused by a 'rare weather phenomenon' have sparked panic in and Portugal, with people told to stay where they are amid fears that blackout disruption could last up to a week.

Portugal's electricity grid operator warned that it is 'impossible' to say when the power supply will be fully restored, adding that while 'all resources' were deployed to resolve the issues, it could still take days.

The operator said that the disruptions to the country's power supply were the result of a 'fault in the Spanish electricity grid,' which was related to a 'rare atmospheric phenomenon'.

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