President-elect Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE lashed out at NBC News on Twitter Sunday night, calling "Nightly News" with Lester Holt "so biased, inaccurate and bad."

Just watched @NBCNightlyNews - So biased, inaccurate and bad, point after point. Just can't get much worse, although @CNN is right up there! — Donald J. Trump (@realDonaldTrump) December 12, 2016

The tweets came shortly after the program aired a segment on the Friday report that the CIA believes Russia's hacks were aimed at helping Trump win the election. The segment also mentioned Trump's interview with Chris Wallace on "Fox News Sunday," during which he said he didn't believe the CIA's new report.

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"I think it's ridiculous. I think it's just another excuse. I don't believe it," the president-elect said Sunday of the CIA's report. "I don't know why and I think it's just — you know, they talked about all sorts of things. Every week it's another excuse."