WASHINGTON (AP) — The Latest on President Donald Trump and the special counsel's Russia investigation. (all times Eastern time):

4:50 p.m.

President Donald Trump is claiming "Complete and Total EXONERATION" in a celebratory tweet following the release of a summary of special counsel Robert Mueller's report.

Trump writes, "No Collusion, No Obstruction, Complete and Total EXONERATION. KEEP AMERICA GREAT!" as he heads to the airport in Florida, where he's spent the weekend.

The Justice Department said Sunday that Mueller's investigation did not find evidence that Trump's campaign "conspired or coordinated" with Russia to influence the 2016 presidential election. Mueller also investigated whether Trump obstructed justice, but did not come to a definitive answer.

But Attorney General William Barr says in a four-page letter to Congress that Mueller's report "does not exonerate" the president on obstruction and instead "sets out evidence on both sides of the question."

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4:45 p.m.

President Donald Trump's eldest son says a summary of the special counsel's findings "proves what those of us with sane minds knew all along."

Donald Trump Jr. issued a statement Sunday saying that a summary of special counsel Robert Mueller's findings proves that there "was zero collusion with Russia."

The summary by Attorney General William Barr says Mueller did not find that the Trump campaign or its associates "conspired or coordinated" with Russia in its efforts to influence the 2016 election. It also says that Mueller did not exonerate the president of obstruction of justice or find that he committed a crime.

Trump Jr. has come under scrutiny during the investigation, for helping arrange a Trump Tower meeting at the height of the 2016 campaign with a Kremlin-linked lawyer.

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4:40 p.m.

The chairman of the House Judiciary Committee says he will call Attorney General William Barr in to testify "in the near future."

New York Rep. Jerrold Nadler tweeted that he will ask Barr to testify "in light of the very concerning discrepancies and final decision making" at the Justice Department.

As described in a report from Barr to Congress, Mueller's investigation left open the question of whether President Donald Trump obstructed justice. Barr said he determined the evidence is not sufficient to establish that Trump committed an offense.

Nadler tweeted that after Mueller worked for 22 months, "Attorney General Barr took 2 days to tell the American people that while the President is not exonerated, there will be no action by DOJ."

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4:35 p.m.

A spokesman for Russian President Vladimir Putin says the Kremlin has not yet seen the summary of the U.S. special counsel's report on the investigation into whether the Trump administration colluded with Russia.

Kremlin spokesman Dmitry Peskov was quoted by

Russian news agencies quoted Kremlin spokesman Dmitry Peskov as saying Sunday night after the Justice Department released the summary. "We are not familiar with the report."

Attorney General William Barr's letter to Congress said Mueller did not find evidence that Trump or his campaign knowingly coordinated with the Russian government to interfere in the 2016 election.

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The White House claims the Justice Department letter summarizing special counsel Robert Mueller's report is a "complete exoneration" of President Donald Trump.

In a statement, press secretary Sarah Sanders says Mueller "did not find any collusion and did not find any obstruction."

In fact, Mueller did not make a determination on whether Trump committed obstruction of justice in the Russia probe. Attorney General William Barr and Deputy Attorney General Rosenstein determined evidence gathered by Mueller was insufficient.

Barr's letter to Congress did say Mueller did not find evidence that Trump or his campaign knowingly coordinated with the Russian government to interfere in the 2016 election.