Exclusive: Documents suggest Russia launched secret multi-agency effort to interfere in US democracy

Suit against Christopher Steele by three Russian oligarchs thrown out by judge

Group finds itself unravelling amid concerns over its 'political direction' and claims it is uncritically cheerleading for the Kremlin

Kolesnikova on council calling for a peaceful transfer of power amid post-election protests

Also on list marking a year as PM for Boris Johnson are Ruth Davidson, Ken Clarke and Philip Hammond

Drones and missiles keep Russian fleet at bay and supplies and trade flowing at ports

Cross-party group files claim to force inquiry into Russian interference in UK elections

Labour says the case for the British government to follow Ottawa’s lead is ‘extremely strong’

This compelling account shows how sowing chaos in the west has led the Russian leader to a post-cold war triumph

Exclusive: New York-based analyst Igor Danchenko did gather intelligence about Trump but he is certainly not a spy, he says

Exclusive: Christopher Steele accuses May government of turning blind eye to Trump allegations

In 1987, a young real estate developer traveled to the Soviet Union. The KGB almost certainly made the trip happen.

Major assault in Donetsk launched on Tuesday said to have resulted in serious losses for Moscow’s forces

Intelligence and security committee publishes long-delayed findings on Russian influence over UK politics

Exclusive: Report allegedly being withheld by No 10 contains submissions from ex-head of MI6’s Russia desk

Cross-party group says it will take action if PM fails to order independent investigation

In interview with Guardian, Andriy Sadovyi also calls for Nato countries to establish immediate no-fly zone over Ukraine

Shell company owned by two Russians cut ties with internet host of 8kun, which has been linked to other acts of violence

Entrepreneur Anna Vorosheva accuses Moscow of murder after spending 100 days in the Olenivka detention centre

No 10 refuses to clear release of report into Russian political interference before election

Vladimir Putin’s system is killing the one person who can deliver Russians from their leader, says Maria Pevchikh of the Anti-Corruption Foundation

Yesterday saw a sudden flurry of clearly coordinated revelations about Russian meddling in Western democracies. Domin...

Bipartisan intelligence panel says that Russian who worked on Trump’s 2016 bid was career spy, amid a stunning range of contacts

Vulkan engineers have worked for Russian military and intelligence agencies to support hacking operations, prepare for attacks on infrastructure and spread disinformation

President tells press conference he will meet with US secretary of state and defence secretary on Sunday

Angela Merkel says poisoning was attempted murder and White House calls it ‘reprehensible’

Pair have been friends since 2009, but security concerns were raised because of the Russian tycoon’s father, a one-time Moscow spy

Trump ally met WikiLeaks founder months before emails hacked by Russia were published, sources say

Leaked document lays out for first time deal proposed to Leave.EU backer, sparking new questions over Moscow’s role

Ukrainian media says Maria Kolesnikova refused to enter country after being abducted from Minsk

The ties between the PM and an ex-KGB officer, first revealed in the Observer three years ago, could be Johnson’s lasting legacy

The ‘gobocracy’ that surrounds the PM is capable of doing Russia’s work for it

Opinium poll for the Observer also reveals 47% of public think Putin’s government affected UK’s 2019 general election

No 10 refuses to clear release of report into Russian political interference before election

Defections from Moscow’s most powerful spy agency are so rare, there are believed to be just two living examples. One is Sergei Skripal, who almost died this year. The other talks

Exclusive: files reveal Trump was the target of an extensive spying operation in the late 1980s by the country’s intelligence service, with ‘friends’ from the KGB

‘Nobody can send a more vocal message to Kremlin’ over poisoning and arrest of Alexei Navalny

Russia-connected financier is the biggest female political donor in UK history, giving more than £1.6m

Conservative-leaning media in the UK and US see little mileage in exposing meddling that helped their own side, say the founders of the research firm Fusion GPS

Security specialists from 27 nations including Britain and the US will meet for five-day conference in Czech capital

MPs call for Brexit process to be paused as NCA investigates £2.9m spent by leave campaign

Exclusive: files reveal Trump was the target of an extensive spying operation in the late 1980s by the country’s intelligence service, with ‘friends’ from the KGB

MPs who compiled the Russia report were incredulous at Britain’s reluctance to tackle Kremlin

Protesters hold placards criticising Russian support as they march on president’s Minsk residence