* North Carolina substation attack raises security concerns for U.S. electric grid NBC News
* Similar attacks on U.S. power grid have threatened infrastructure in Western states CBS News
* N.C. newspaper continues coverage in the dark after substation attack The Washington Post
* ‘Sitting ducks’: Moore County attack leaves a community feeling vulnerable Charlotte Observer
* Editorial: Sabotage in Moore County can't be tolerated. Act swiftly, prevent its spread WRAL News
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