Around 4 p.m. on Dec. 23, much of western Ukraine’s pastoral Ivano-Frankivsk region, an area about the size of Connecticut, was plunged into darkness
The local electric utility in Ivano-Frankivsk acknowledged the blackout in a series of frantic messages posted on its website. Power had been lost across a vast area of the region and the cause was unknown
Half an hour later, the utility said the outage was more widespread than originally assumed: About a quarter of a million customers were without electricity. Moreover, the utility had also lost control of its backup power supplies
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Source: Mashable