Russia

The US Senate Intelligence Committee has criticised Twitter for offering an "inadequate" appearance in briefings on Russian interference in the 2016 presidential election.

Russia has urged "hot heads" to calm down, as the US and North Korean leaders continue to trade insults and threats.

A group of the world's leading anti-doping organisations have called for Russia to be excluded from next year's Winter Games in South Korea over alleged state-sponsored doping.

Facebook has discovered an "influence" operation spent $US100,000 on US ads promoting divisive social and political messages, it says.

Russia is reportedly set to escape a ban from next year's Winter Olympics in South Korea and will instead be handed a large fine for endemic doping.

Russian Prime Minister Dmitry Medvedev has said new sanctions imposed by the US are tantamount to declaring a "full-scale trade war" against Moscow.

Donald Trump personally dictated the statement his son gave on his talks with a Russian lawyer during the election campaign, US media report.

Russian athletes will remain suspended from international competition after the Russian federation failed to meet anti-doping test deadlines.

Russian President Vladimir Putin has told the US to cut its diplomatic staff in Russia by 755 after new US sanctions approved by the US Congress.

The House of Representatives has voted overwhelmingly to impose new sanctions on Russia, Iran and North Korea, despite Donald Trump's objections.

Donald Trump's son-in-law declares he did not collude with Russian officials during the presidential election campaign.

The US president responds to reports he is considering presidential pardons over alleged collusion between his team and Russia.

US President Donald Trump's eldest son, his son-in-law and his former campaign manager are to testify before Senate committees investigating an alleged Russian meddling in the 2016 election.

US President Donald Trump met Russian counterpart, Vladimir Putin at a second, previously undisclosed meeting at this month's G20, it has emerged.

"I never thought this would be such a big deal, to be honest," says a former Soviet counter-intelligence official.

Russia is warning of a potential restriction on New Zealand dairy products after finding butter from this country tested positive twice for the antibiotic tetracycline.

The US president's son has been asked to appear before the House Intelligence Committee over his meeting last year with a Russian lawyer. Audio

The US president suggests joint work on cyber security but the US ambassador to the UN says the country "can't trust Russia".