The political uproar over the suspected spy balloon did not just derail a planned visit to Beijing by the top U.S. diplomat, it also threatens to upset attempts to steady an increasingly rocky relationship.
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The damage left nearly half a million people without power in a new blow to Ukraine's ailing energy grid which has been hammered by Russian strikes for months. Officials said repairs could take weeks.
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Temperatures fell to perilously low levels, including a wind chill of -105F/-79C on Mount Washington.