Summary
Robert Mueller has answered questions from the House Judiciary Committee about his 448-page report
When asked if he had exonerated the president, he said 'No'
He later spoke before the House Intelligence Committee
His report said Russia did interfere with the 2016 election but did not establish the Trump team criminally conspired with them
However, it did detail 10 instances where Mr Trump had possibly attempted to impede the investigation
The White House called Mr Mueller's testimony an "epic embarrassment for the Democrats"
Live Reporting
Ritu Prasad, Max Matza and Holly Honderich
Mueller arrives on Capitol Hillpublished at 13:21 British Summer Time 24 July 2019
Washington DC tunes in to Muellerpublished at 13:19 British Summer Time 24 July 2019
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End of twitter postA competition to 'out-outrage'published at 13:15 British Summer Time 24 July 2019
13:15 BST 24 July 2019George Washington University professor Jonathan Turley tells BBC World News to expect a "theatre of the macabre" at today's House of Representatives hearing.
Democrats will be competing "to out-outrage" each other in their line of questioning, he says.
Trump rages on Twitterpublished at 13:08 British Summer Time 24 July 2019
13:08 BST 24 July 2019Donald Trump, who previously claimed to reporters that he would not be watching today's hearings, starts his day with a Twitter tirade.
Why didn't Robert Mueller investigate Democrats and federal investigators "including HIMSELF", the president asked?
His most recent missive reads: "NO COLLUSION, NO OBSTRUCTION."
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End of twitter post 3Waiting on Capitol Hillpublished at 13:03 British Summer Time 24 July 2019
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End of twitter post 2How will the day unfold?published at 13:00 British Summer Time 24 July 2019
13:00 BST 24 July 2019Lawmakers on the House Judiciary Committee will kick off the day of testimony at 08:30e (12:30GMT) with three hours of questions after a brief opening statement from committee chairman Jerry Nadler, a Democrat from New York.
Committee staff members say they do not know if Mueller will make an opening statement, but suspect that he will.
Next will be the House Intelligence Committee which begins at 12:00 local time and goes for two hours. After California Congressman and Committee chairman Adam Schiff gives his opening statement, members will each be given five minutes for questions.
The Judiciary Committee is expected to focus on obstruction of justice, while the intelligence committee plans to ask questions about the role Russia played in the 2016 election.
But expect for lawmakers from both parties to repeatedly go off script, as they strain to get the best made-for-TV sound bites.
Countdown to Mueller timepublished at 12:53 British Summer Time 24 July 2019
12:53 BST 24 July 2019Welcome to our coverage of the testimony of ex-FBI director Robert Mueller, the author of a controversial investigation into President Donald Trump and his presidential campaign.
This will be the first time since his redacted report was released in April that he will answer questions about its findings.
During the nearly two-year investigation, Mr Mueller's team uncovered evidence of Russian attempts to interfere in the US election in order to help Trump.
His report did not establish that the Trump team criminally conspired with Russia, and found 10 instances in which Trump may have attempted to obstruct the Mueller investigation.