Russia is the only nation with the "technical means, operational experience and motive" for the Salisbury nerve agent attack on a former spy and his daughter, Britain has said.

Latest: Russia's ambassador has accused the British authorities of destroying evidence in the Salisbury nerve agent attack.

Russian foreign ministry spokeswoman Maria Zakharova, said allegations in relation to the Skripal poisonings are evidence of a "clear anti-Russian campaign, the like of which we have not seen in the world for a long time in terms of its scale and lack of principles".

Yulia Skripal, who was poisoned along with her former double agent father Sergei in Salisbury last month, has been discharged from hospital.

A Russian request for a meeting with Boris Johnson to discuss the nerve agent attack on former double-agent Sergei Skripal and his daughter Yulia has been dismissed as a "diversionary tactic" by the UK.

Russian officials have requested a meeting with the UK's Foreign Secretary Boris Johnson to discuss the nerve agent attack on former double-agent Sergei Skripal and his daughter Yulia.

Speculation is mounting that Sergei Skripal and his daughter Yulia could be able to offer officers investigating the Salisbury nerve agent attack missing clues as the pair continue to recover.

Sergei Skripal, the Russian ex-spy poisoned with a nerve agent, is no longer critically ill, according to doctors.

Russia's Ambassador to Ireland has said people have been sending him letters of support after the Salisbury spy poisoning.

Russia has warned Britain is "playing with fire and will be sorry" over the Salisbury poisoning as it emerged Yulia Skripal's strength is "growing daily".

Russian UN ambassador Vassily Nebenzya, speaking at the UN Security Council in New York, said the UK has questions to answer.

Yulia Skripal has said her strength is "growing daily" after the nerve agent attack which left her and her father in intensive care.

It is beyond reasonable doubt that Russia was behind the Salisbury attack, UK Security Minister Ben Wallace insisted as Moscow stepped up efforts to undermine the UK's case.

Boris Johnson has attacked Jeremy Corbyn for "playing Russia's game" after the Labour leader accused him of "exaggeration" over evidence that Moscow was to blame for the Salisbury poisoning.

Russia has said that a relative of Salisbury poisoning victims Sergei and Yulia Skripal is planning to visit them in hospital.

Britain has rejected a Russian call for it to be involved in the investigation into the nerve agent attack in Salisbury.

Labour leader Jeremy Corbyn has accused Boris Johnson of "exaggeration" over the evidence that Russia was to blame for the Salisbury poisoning.

Senior Russian security officials have launched diatribes at the West, accusing it of fomenting a new Cold War in a bid to retain waning influence in global affairs.

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.

The head of the UK's Porton Down military research facility has said his scientists have not verified that the nerve agent used in Salisbury came from Russia.

Russia's President Vladimir Putin says Moscow wants a thorough probe into the poisoning of an ex-Russian spy in Britain and will demand to be part of it.

Yuri Filatov has suggested that some within the British Government may actually be behind the Salisbury poisoning attack.

Latest: The fallout from the Salisbury poisoning could lead to the "last war in the history of mankind", a retired Russian general has warned.

Russia's foreign minister has accused the UK of "putting all decency aside" over its claims that Moscow is to blame for the poisoning of former spy Sergei Skripal and his daughter.

The Russian language, we don’t doubt, has an idiom that is the rough equivalent of the English exclamation ‘what a cheek they’ve got!’

The Bishop of Salisbury has described the Salisbury poisoning as an "act of violation" in his Easter sermon.

The UK Foreign Office has said it is considering a request from Russia to see Yulia Skripal over the Salisbury poisoning.

Russia has retaliated over the expulsion of one of its Ireland-based diplomats by expelling by an Irish one from Moscow.

The Russian foreign ministry has ordered Britain to reduce the number of diplomats in Moscow down to the same amount that Russia has in London as the row over the attempted assassination of a Russian spy in Salisbury continues.

The poisoned daughter of a Russian double agent has reportedly regained consciousness more than three weeks since the pair were targeted in a nerve agent attack.

Latest: Yulia Skripal is "improving rapidly and is no longer in a critical condition. Her condition is now stable".

The Russian Foreign Ministry said British special services could have been behind the poisoning of a former Russian spy in Salisbury.

The niece of poisoned spy Sergei Skripal has said her uncle and cousin have only a slim chance of surviving.

Latest: An Irish diplomat is expected to be thrown out of Russia in retaliation for the expulsion of one of their officials here.

Ireland looks set to join 20 other nations in what UK prime minister Theresa May has described as the “largest collective expulsion of Russian intelligence officers in history”.

Western nations have banded together to expel more than 100 Russian diplomats they accused of being spies, punishing Moscow for its alleged poisoning of an ex-intelligence officer in Britain.

The Government looks set to expel a number of Russian diplomats as a “show of solidarity” with the UK, Government sources have said.

The Foreign Affairs Minister Simon Coveney will be presented with options for Ireland's reaction towards Russia this evening.

European Council president Donald Tusk has said 14 member nations have expelled Russian diplomatic staff over the poisoning of an ex-spy in the UK.

Hundreds of diners and pub-goers have been offered compensation for dry-clean only clothing that may have come into contact with the nerve agent used to attack Sergei Skripal and his daughter.

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.

That British prime minister Theresa May turned to her European neighbours after she concluded Russia was behind the nerve-agent attack in Salisbury points to an obvious truth.

EU leaders have promised an "unprecedented" diplomatic response to the Salisbury nerve agent attack after backing Theresa May's assertion that Russia was to blame.

Investigators are removing the bench where poisoned former Russian double-agent Sergei Skripal and his daughter were found.