The nerve agent used to poison Sergei and Yulia Skripal may have originated in a government facility in Wiltshire, a senior Russian official has suggested. 

Major power companies and the National Grid have been put on alert over possible Russian cyber attacks on key British infrastructure.

Jeremy Corbyn has not been given access to some top secret intelligence over the Salisbury poisoning, it has been reported.

A bid to give child refugees in the UK the right to be reunited with their families has cleared its latest parliamentary hurdle.

Nato secretary-general Jens Stoltenberg has said the millitary alliance firmly backs the UK's position that Russia was behind the attack on ex-spy Sergei Skripal.

Jeremy Corbyn has suggested that "Russian mafia-like groups" living in Britain could have been behind the poisoning of a former double agent.

Jeremy Corbyn has said Russia "appears to be responsible" for the nerve agent attack on a Russian former spy in Salisbury.

What happened in Salisbury was a calculated act of terror. We must now implement the full Magnitsky powers to ban visas for human rights violators and to make the sanctions public, writes Andrew Mitchell

World leaders from three powerful nations have joined Theresa May in declaring the nerve agent attack in Salisbury an “assault on UK sovereignty” by Russia.

Theresa May will meet members of the public and emergency services in Salisbury today, nearly two weeks after the nerve gas attack in the city which left a Russian ex-spy and his daughter in hospital.

Gavin Williamson has told the Russian government to “go away and shut up” following the nerve agent attack on a Russian former spy in Salisbury.

Alex Salmond has urged broadcast watchdogs not to shut down Russia Today in the wake of the nerve agent attack on former double agent Sergei Skripal.

Nia Griffith has said Labour agrees with Theresa May that Russia was behind the attempted murder of former double agent Sergei Skripal – just a day after Jeremy Corbyn refused to do so.

Emily Thornberry has said Russia must "face the consequences" for the nerve agent attack on a former double agent - in a clear challenge to Jeremy Corbyn.

President Trump has offered his firm backing to Theresa May over the Salisbury attack, saying the expulsion of Russian diplomats from the UK is a "just response" to a "pattern of behaviour" from Russia.

Co-chair of the British Committee for Iran Freedom Sir David Amess MP writes that all western leaders should make it clear once and for all, that the world supports the Iranian people’s demands for democracy and freedom.

The failure to find weapons of mass destruction in Iraq shows government claims that Russia was behind the Salisbury nerve agent attack may be wrong, Jeremy Corbyn's spokesman has declared.

Russia's foreign minister has fired back at the UK over the Sergei Skripal case, accusing ministers of staging a "political performance" and "flagrantly misleading" the international community.

UK prisons are preparing for an influx of Islamic State fighters returning from Syria, the Justice Secretary has said.

Donald Trump has told Theresa May that America will be "with the UK all the way" as she decides how to respond to the poisoning of a Russian former spy on British soil.

Russia has mocked Theresa May after she claimed Moscow was "highly likely" to be behind the nerve agent attack on a former spy.

Jeremy Corbyn was "strangely like" US president Donald Trump in his comments on Russia in the wake of the Salisbury nerve agent attack, David Miliband has said.

Global figures have pledged their full support to Theresa May after she gave Russia until tonight to explain the nerve agent attack in Salisbury.

Theresa May has said it is "highly likely" that Russia was behind the nerve agent attack that landed an ex-spy, his daughter and a police officer in hospital.