Alexander Litvinenko

Spy-poisoning row could prompt ‘anti-British feeling’, says UK foreign office

The retaliatory measures announced by Theresa May are strikingly modest

Theresa May gives Kremlin 24 hours before undertaking a ‘range of measures’

Prime minister says Kremlin given deadline to disclose information about nerve gas used

Britain’s options are limited, complicated by its status as playground for Russian oligarchs

Officers begin a major search at Sergei Skripal’s house and also seal off a garage

Amber Rudd says nerve agent attack on Sergei Skripal and daughter a ‘reckless’ act

Case of Sergei Skripal and his daughter being treated by authorities as attempted murder

Sergei Skripal is fighting for his life after collapsing in a shopping mall in Salisbury

Boris Johnson warns of ‘robust’ response from Britain if Russia found to be responsible

Two people hospitalised following exposure to ‘unknown substance’ in Salisbury

Host Bill O’Reilly called Russian president ‘a killer’ in interview with Donald Trump

Think tank says Russia would have targeted US president-elect due to links with oligarchs

Ex-MI6 officer Christopher Steele a ‘highly-regarded professional’

District Court hearing application by Russian oligarach to unfreeze €100 million

Russia is unlikely to compensate the families of 298 people who died in crash over Ukraine

Inquiry finds that former Russian spy Litvinenko murdered by agents in London

Putin ‘probably’ approved ex-KGB agent’s murder in London in 2006 , judge finds

Exiled in London as a consultant, Putin’s foe died after drinking a cup of spiked tea

A top Russian official denies any involvement in poisoning of Alexander Litvinenko

Widow says Alexander Litvinenko could not have been killed without Kremlin’s consent

Inquiry into death of Russian spy in London in 2006 told of deathbed words

Dmitry Kovtun is accused of poisoning spy Alexander Litvinenko in London

There is fear among the ranks of the opposition that it is a sign of more to come against those regarded as disloyal to Vladimir Putin

Moscow trying to make some sort of point with latest excursion, says David Cameron

Analysis: Since slapdown on Syria, the prime minister has gone quiet on world affairs

Thousands put at risk from radioactive material after spy was poisoned

After lengthy forensic investigation doctors conclude Sunanda Pushkar (51) poisoned

British home secretary rules on investigation into 2006 poisoning of former KGB agent

Ex-spy’s widow says move sends message to killers that ‘truth will win out’

Further investigation needed as tests are not ‘absolute proof’ poison caused death

Palestinian leader’s widow reveals results of Swiss forensic tests on her husband’s corpse

Head of UK inquest rules out hearing public evidence of Russian state involvement

Boris Berezovsky had many labels – godfather of the Kremlin, master of chaos, modern-day Rasputin. Which one is the key to how he died in England last weekend?

Inquest told foul play ‘cannot be completely eliminated’

Police find no evidence of violent struggle in Russian oligarch’s Ascot home

Prosecutors say oligarch’s death will not stop them trying to reclaim property

Specialist officers examine Ascot property where Russian oligarch found dead