William Barr released a summary of the long-awaited report into allegations the Trump campaign colluded with Russia

The US Attorney general William Barr released a summary on Sunday of special counsel Robert Mueller’s long-awaited report into allegations that Donald Trump’s campaign colluded with Russia in the 2016 presidential election.

Here are the main findings of the two-year investigation that the president regularly denounced as a witch hunt, before claiming vindication upon its completion:

Collusion

Barr said the special counsel’s investigation “did not establish that members of the Trump campaign conspired or coordinated with the Russian government in its election interference activities.”

But Mueller found that there was conclusive evidence that Russia did interfere in the election, both through a coordinated campaign of disinformation and by hacking emails from Hillary Clinton’s election team.

In a letter to lawmakers, Barr said that Mueller found that there had been “multiple offers from Russian-affiliated individuals to assist the Trump campaign.”

Obstruction

Many observers had predicted the biggest danger to Trump came from a possible accusation of obstruction of justice, particularly over his decision to sack the FBI director James Comey, who headed the investigation before Mueller.

But Barr said that the evidence outlined in Mueller’s report “is not sufficient to establish that the president committed an obstruction-of-justice offence.”

“In cataloguing the president’s actions, many of which took place in public view, the report identifies no actions that, in our judgement, constitute obstructive conduct,” Barr added in his letter.

But while Barr – who was appointed by Trump – concluded that the president had not obstructed justice, he acknowledged that Mueller himself was inconclusive on the question of obstruction.

“The special counsel therefore did not draw a conclusion – one way or another – as to whether the examined conduct constituted obstruction,” he said.

“The special counsel states that ‘while this report does not conclude that the president committed a crime, it also does not exonerate him.’”

Quick guide Who was convicted or charged by the Mueller investigation? Show Hide Michael Cohen, confidant and adviser to Donald Trump Pleaded guilty to bank fraud, tax fraud and campaign finance violations. Separately pleaded guilty to lying to Congress about a plan to build a Trump tower in Moscow. Sentenced to 36 months in prison. Paul Manafort, Trump campaign chairman Pleaded guilty to conspiring to defraud the US and conspiring to obstruct justice. Sentenced to seven and half years in prison. Alexander van der Zwaan, Dutch lawyer who worked with Manafort Pleaded guilty to lying to the FBI. Sentenced to 30 days in prison, fined $20,000, has since been deported. George Papadopoulos, foreign policy adviser to Trump 2016 campaign Pleaded guilty to lying to the FBI about the timing of meetings with alleged go-betweens for Russia. Sentenced to 14 days in prison, 200 hours community service, fined $9,500. Richard Pinedo, online fraudster Pleaded guilty to identity fraud. Sentenced to six months in prison and six months home detention. Michael Flynn, National security adviser to President Trump Pleaded guilty to lying to the FBI about contacts with Russia during the presidential transition in 2016. Awaiting sentence. Rick Gates, Manafort business partner and Trump campaign official Pleaded guilty to conspiring against the US and lying to the FBI and admitted helping Manafort doctor financial statements, hide sources of foreign income, mislead banks to get loans and cheat on his US taxes. Awaiting sentence. Roger Stone, longtime Trump associate Charged with obstruction, witness tampering and making false statements. Trial due to start 5 November. 13 Russian nationals and 3 entities, social media trolls Charged with using fake social media accounts to influence the 2016 election, but unlikely to ever come to the US to stand trial. 12 Russian military intelligence officers, hackers A dozen named members of the Russian military intelligence unit GRU charged with hacking John Podesta. There is no prospect of them being brought to justice. Konstantin Kilimnik, ran Kyiv office of a Manafort company Charged with obstruction of justice and conspiracy to obstruct justice. Not in custody and has not answered the charges. Photograph: Alex Wong/Getty Images North America

No further indictments

Trump’s former national security advisor Mike Flynn, his former personal lawyer Michael Cohen and his campaign chairman Paul Manafort are among the 34 individuals already indicted by Mueller but they will be the last, according to Barr.

“The report does not recommend any further indictments nor did the special counsel obtain any sealed indictments that have yet to be made public,” Barr said in his letter to the heads of the Senate and House judiciary committees.