President Vladimir Putin has suspended Russia's participation in a key nuclear arms treaty following Washington's decision to withdraw from it.

China and Saudi Arabia are among modern authoritarians orchestrating increasingly brazen vanishings of opponents, says Nina L. Khrushcheva.

Biting sanctions and a proposed increase in the retirement age are two of the factors that have impacted on the popularity of the Russian leader, writes Nina L Khrushcheva.

A comprehensive inquiry into Russian interference in EU affairs and a European version of the FBI, are some of the measures needed to defend democracy, says

Putin has been running the table on Trump and the US. Russia is now a serious player and its president keeps raising the stakes, writes Nina Khrushcheva

Investigators must present evidence Trump or his close associates actively worked with the Russian government, or make it clear that is not the case, writes Peter Van Buren

Russian President Vladimir Putin’s summit with US counterpart Donald Trump was never going to be a balanced negotiation.

The FTSE 100 has been knocked after oil prices slumped during Donald Trump's historic meeting with Russia's Vladimir Putin in Finland.

After a fractious Nato summit earlier this week, EU leaders fear what may follow the US president meeting his Russian counterpart next week, writes Gregory Feifer

Russian President Vladimir Putin has said he is happy to meet with US President Donald Trump once Washington is ready to hold the summit.

In the White House, there resides a vain, bombastic, dictatorial, strange, narcisstic and unpredictable character, whom the world at large is still coming to terms with.

US president Donald Trump indicated he could make a reciprocal trip to Russia if Vladimir Putin was able to accept his invitation to the White House, officials in Moscow said.

Here is what we know so far about the air strikes and the response.

Taoiseach Leo Varadkar held a private meeting with managers at the Russian-owned alumina plant in Askeaton in Co Limerick, as “concern” mounted over the plant and its 450 workers.

The Labour party in the UK has accused the British Government of rushing to blame Vladimir Putin for the Salisbury nerve agent attack, after scientists at Porton Down said they had not verified that the substance came from Russia.

President Donald Trump invited Vladimir Putin to the White House when they spoke by telephone last month, according to an aide to the Russian president, but the two countries have not started any preparations for such a visit.

Poisoned former Russian double agent Sergei Skripal wrote to Vladimir Putin asking to be pardoned and to be able to visit his home country, a friend has said.

Russian electoral officials have officially declared incumbent President Vladimir Putin the winner of last Sunday's election.

Vladimir Putin has exploited international scandals to sustain an atmosphere of crisis that has underscored his image as a strong leader, writes Nina L. Khrushcheva.

President Donald Trump has called Russian President Vladimir Putin to congratulate him on his re-election to a fourth term.

Agnia Grigas examines the emerging ideology fostered by Russia and how it is defined by what it is against as what it is for.

Vladimir Putin has cast his ballot in the Russian presidential election, seeking a mandate for a fourth term.

The growing diplomatic scandal over the poisoning of an ex-spy in Britain will not disrupt Russia's presidential campaign, Vladimir Putin's spokesman has said.

Russian president Vladimir Putin has said in a new documentary that he approved of a plan to shoot down a hijacked passenger jet four years ago.

Vladimir Putin says he does not care about alleged Russian interference in the US presidential election, because the actions were not connected to his government.

Russia's President Vladimir Putin has warned his country's enemies they will "be se

Russia's President Vladimir Putin has praised US President Donald Trump but expressed disappointment with the US political system, saying it is "eating itself up".

Even if you leave the beguiling question of how one person can hold such sway in a nation of almost 1.4bn people, the weekend decision by China’s ruling Communist Party to set the stage for President Xi Jinping to stay in office indefinitely is another example of how addictive absolute power can be.

Russia's election officials have registered eight candidates for the March 18 presidential election, including President Vladimir Putin.

Tens of thousands of Russians have attended the funeral ceremony of a Russian pilot who blew himself up to avoid being captured by the militants in Syria who downed his plane.

Russian president Vladimir Putin attended commemorations on Friday marking the 75th anniversary of the Nazi surrender that ended the battle of Stalingrad, lauding the Red Army's victory as a shining example of Russia's perseverance amid adversity.

The Trump administration has decided not to punish anyone - for now - under new sanctions retaliating for Russia's election-meddling, the US State Department has said.

Modernised strategic bombers will boost Russia’s military power, Vladimir Putin has said.

Russian president Vladimir Putin has said North Korea’s Kim Jong Un has shown himself to be a mature leader who is interested in calming down the tensions over the country’s nuclear and long-range missile programmes.

President Vladimir Putin has praised Russian soldiers for their actions in Syria, saying the Russian campaign there has demonstrated the might of the nation's revamped military to the world.

Russia hosts two major events next year but neither will be run in a way that inspires the kind of confidence the West at least aspires to have in its administration of public events.

Vladimir Putin’s torso, which he sometimes bares during sporting pursuits, is a familiar part of his public image. How much Putin reveals of the man behind the buff exterior is another question, writes Jim Heintz.

President Vladimir Putin has presented his vision for modernising Russia, while some of his challengers in next March's presidential vote have been formally nominated for the race.

Russia’s former economics minister has been handed an eight-year prison sentence after he was convicted of accepting a $2 million (€1.7 million) bribe from President Vladimir Putin’s top associate.

President Vladimir Putin has visited a Russian military air base in Syria and announced a partial pullout of his forces from the country.

Russia is close to ending its military operation in Syria that tipped the scales in the devastating war in favour of government forces, President Vladimir Putin has said.

At a moment when the liberal values that have done so much to advance Western societies over the last 75 years are threatened on so many fronts the difficulties facing chancellor Angela Merkel have implications far beyond German or European borders.

A stable and secure EU could become the most important pillar of the UK’s post-Brexit security strategy, writes Jacek Rostowski

Russian legislators have unanimously approved a bill allowing the government to register international media outlets as foreign agents.

President Vladimir Putin has suggested that a flurry of Russian sports doping allegations could be an American attempt to interfere in next year’s Russian presidential election.

A Russian radio journalist who narrowly survived a stabbing attack last month said her assailant was intent on killing her and had planned it.

Russian president Vladimir Putin and his US counterpart Donald Trump have a full agenda for their likely encounter on the sidelines of a Pacific nations’ summit this week, the Kremlin said.

Russian president Vladimir Putin has refrained from making any criticism of Donald Trump, saying that the US leader is "not my bride".

Vladimir Putin has appointed a former deputy defence minister as Russia's new ambassador to the United States.