A power outage on New Year's Eve plunged much of Puerto Rico into darkness.
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- A massive blackout in Puerto Rico left more than 1.3 million power company customers in the dark.
- Luma Energy, the power company, said restoring power could take up to 48 hours.
- It said that the outage appears to have been caused by the failure of an underground power line.
A massive blackout hit Puerto Rico early Tuesday morning — and it could take days to restore power.