Large swaths of central and Northern California were without electricity today as the state's largest utility began cutting power as a precaution against sparking wildfires.

The utility, Pacific Gas & Electric, said that as of

Officials warned residents to stay off the roads

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The utility is trying to avoid a repeat of the deadly Paradise fire

Turning the power back on could take as long as five days

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PG&E's website was down for many people, right when they needed it

Residents have been stocking up on generators and water

Mass transit is running, but many schools are cancelling classes

How much does a power cut reduce the risk of wildfire?