Washington (CNN) The release of House Republicans' memo alleging FBI abuses of its surveillance authority has intensified an extraordinary feud between President Donald Trump and parts of his own government.

Trump -- who campaigned on a theme of "law and order" -- and members of his Republican Party, in power in Washington, are using the memo to sow distrust in America's chief law enforcement agency and its investigation into Russia's involvement in the 2016 presidential election.

Trump on Saturday falsely claimed that the memo "totally vindicates" him in special counsel Robert Mueller's ongoing probe into whether his campaign colluded with Russia.

"This is an American disgrace!" he tweeted.

House Intelligence Chairman Devin Nunes, the California Republican whose committee drafted the memo, promised Friday on Fox News that more memos critical of US government agencies are coming.

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