Mueller's Russia inquiry report revealed to be 300 pages long

Special counsel Robert Mueller, and his wife Ann (AP)

Patricia Zengerle and Andy Sullivan

President Donald Trump's Republican allies tangled with one of Trump's most prominent Democratic critics during a chaotic congressional hearing on Thursday and the U.S. attorney general revealed that Special Counsel Robert Mueller's Russia inquiry report is more than 300 pages long.

Hours after Trump went on Twitter to demand that Democrat Adam Schiff resign from Congress, Republican lawmakers called on him to quit as chairman of the bitterly divided House of Representatives Intelligence Committee because of his comments about the president's 2016 campaign and Russia.

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