The special counsel probing Russian interference in the 2016 US election has charged an attorney with lying to federal investigators about his interactions with a former Trump campaign official.

US special counsel Robert Mueller's prosecutors have filed a new charge against a man they claim lied to federal investigators in the Russia election interference probe.

US president Donald Trump has declared he is "looking forward" to being questioned - under oath - in the special counsel's probe of Russian election interference.

His nomination as the next head of the US Federal Reserve means Jerome Powell is set to become one the world’s most powerful and influential individuals, writes Kyran Fitzgerald

Special counsel Robert Mueller believes it will take three weeks to present a case against former Trump campaign officials Paul Manafort and Rick Gates, according to court documents.

US president Donald Trump's former campaign chairman - who is accused of multiple financial crimes - has attacked the strength of the evidence against him, saying the case is "embellished".

This week’s events in Washington raise questions relevant to the security of democracy. 

Here is a summary of the charges in the 31-page indictment and the potential penalties.

The co-founder of a Washington opposition research firm that produced a dossier of salacious claims involving Donald Trump has spent hours speaking to Senate investigators in a closed-door meeting.

Donald Trump's former campaign chairman has met Senate investigators, giving his recollection of a Trump Tower meeting with a Russian lawyer and agreeing to turn over contemporaneous notes of the gathering last year, sources said.

US president Donald Trump's son-in-law and adviser Jared Kushner has returned to Capitol Hill for a second day of private meetings with congressional investigators.

Donald Trump has said he has "complete power" to issue pardons, an assertion that comes amid investigations into Russian interference in last year's presidential election.

President Donald Trump had a second, previously undisclosed conversation with Russian President Vladimir Putin at a summit in Germany earlier this month.

US president Donald Trump has defended his son's meeting with a Russian lawyer, saying it was standard campaign practice and maintaining "nothing happened" as a result.

Congressional investigators plan to question the former chairman of the Trump campaign and will subpoena him if necessary, the Senate Judiciary Committee panel's chairman has said.

A former foreign policy adviser to US president Donald Trump has branded a congressional probe into possible interference by Russia in last year's American election "a comically fake inquiry".

The Kremlin has denied reports of intercepted phone calls between Russian intelligence officials and members of Donald Trump's presidential campaign.

Given the fondness that the president-elect and so many of his appointees seem to have for Russian President Vladimir Putin, life may be about to imitate — if not exceed — art, says Nina L Khrushcheva.

Max Abelson, Jesse Drucker and Zachary R Mide report on the monument to vanity that is Trump Tower, a place to which he retreated after molestation claims by several women and which he may not even leave if he somehow wins the presidency

Republican Donald Trump says he’s not vacillating when it comes to his proposal to deport the estimated 11 million people living in the US illegally — even though his new campaign manager now says his stance is “to be determined”.

Republican presidential nominee Donald Trump has apologised for past remarks that “may have caused personal pain” as he sought to refocus his message in the face of falling opinion poll numbers in his first speech since shaking up his campaign team this week.

It comes in the wake of a campaign shake-up and revelations about Ukraine work.

Donald Trump has reshuffled his campaign team for the second time in two months as he trails Hillary Clinton in the polls in most key battleground states.

Hillary Clinton’s campaign is questioning Donald Trump’s top political aide’s ties to a pro-Kremlin political party in Ukraine, claiming it is evidence of the Republican nominee’s cozy relationship with Russia.

Donald Trump has blamed the “disgusting” media for a week of distractions at a time when Republicans have urged him to focus on Democratic rival Hillary Clinton.

Republican Donald Trump’s top aides and supporters yesterday downplayed a chaotic week in which the New York businessman was distracted from his core message by personal spats, as a new poll showed him trailing Democrat Hillary Clinton.

Republican frustration with Donald Trump has mounted following a series of startling statements from the nominee, including his refusal to endorse House Speaker Paul Ryan’s re-election.

A night after being booed off the Republican National Convention stage, Texas Senator Ted Cruz remained defiant about Donald Trump, saying he is not a “servile puppy dog” and vowing not to support anyone who wages personal attacks against his family.

The writer who helped with Donald Trump's wife's speech at the Republican Party's National Convention says she made a mistake - and has offered to resign.

Several hundred Donald Trump supporters — a few of them openly carrying guns as allowed under Ohio law — gathered for the first major pro-Trump rally of the four-day Republican National Convention.

Donald Trump once promised a “showbiz” convention, packed with flash, celebrities, and a “winner’s night” featuring sports stars and champion coaches.

Dissident delegates making a last-ditch attempt to prevent Donald Trump's US presidential candidacy at the Republican National Convention say they will try forcing a state-by-state vote on the rules governing the gathering.

Donald Trump has accused rival Hillary Clinton of being a "world class liar" who personally profited from her tenure at the US State Department.

Republican presidential candidate Donald Trump has branded The Boston Globe "stupid" and "worthless" in response to a satirical front page printed by the newspaper which lampoons the notion of a Trump presidency.

Republican presidential front-runner Donald Trump is strengthening his top team and refocusing on New York after recent tactical failures raised doubts about his campaign.