US House Speaker Nancy Pelosi said the publication of a summary of Special Inspector Robert Muller's report was inadequate, while officials warned that hiding the contents of the report was a crime.

In a statement, Pelosi demanded that the lawmakers be given a full report so that the commissions could exercise their powers, and demanded a briefing on the report in Congress.

US Justice Secretary William Barr will brief Congress on Sunday on the conclusion of Muller's report on Russia's alleged intervention in the 2016 US election, the Al Jazeera correspondent said.

For his part, warned the head of the Judicial Committee in the House of Representatives, Jerry Nadler, US administration officials that the concealment or damage parts of the contents of the report of Special Inspector Robert Mueller may be a crime.

Nadler and nine other Democratic lawmakers in the House and Senate sent a letter to several government agencies, including White House legal advisers, the Justice Department, the FBI, the Central Intelligence Agency and other government agencies, demanding that Muller's report be preserved and all evidence attached to it Materials, records and documents related to the investigations of the Special Investigator.

The letter notes that the Muller report and its annexes are important for parallel investigations by Congressional committees.

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Many Americans are eager to reveal the details of Muller's report, which has been investigating the case since 2017 to see if the Trump campaign colluded with Moscow to influence the election, and whether the president later tried to block the investigation.

He did not make any special arrangements after handing over the Muller report, holding no private meetings or writing strong Twitter tweets as usual. He went to his Florida resort where he spent time with his wife and son.

Many of Trump's aides also traveled to Florida for the weekend, and the investigation - in their eyes and the president's opinion - has ended without finding sufficient evidence to indict the president or his close associates.

The Washington-based website said the president had gone to the Trump International Golf Club in West Palm Beach, Florida.

US media reported that Minister Bar was currently reviewing Muller's report on possible Russian intervention in the US presidential election. CNN reported that Trump in Palm Beach, Florida, was surrounded by an unusually large number of staff, especially its legal team.