As details come in about the 16 June shooting and stabbing attack on Labour MP Jo Cox outside a constituency surgery in Birstall, West Yorkshire, politicians and friends from all major political parties have taken to social media with messages of support. The MP for Batley and Spen is in critical condition after being air-lifted to Leeds General Infirmary.

Labour MP Jo Cox
Labour MP Jo CoxReuters

Labour leader Jeremy Corbyn said that he is "utterly shocked" and that the thoughts of the whole party are with her and her family.

With reports alleging that Cox's attacker shouted "Britain First" before the incident, Britain First deputy leader, Jayda Fransen told IBTimes UK: "We were as shocked as everyone else I expect when we saw the report. At the moment it's just hearsay, we are waiting for the police to release the name of the man who was arrested, and obviously this kind of behaviour we do not condone. We were as shocked as everyone else."

Prime Minister, David Cameron tweeted that he was "very concerned about reports" and that his thoughts and prayers are with Jo and her family. He went on to say that he thought it was right campaigning had been halted and that he would not go ahead with a planned event in Gibraltar.

Liberal Democrat Leader, Tim Farron, said that the reports were "utterly, utterly horrific".

SNP leader in Westminster, Angus Robertson, said that the news was "appalling" and that the SNP sent their best wishes.

UKIP Leader and MEP, Nigel Farage, said that he was "horrified" to hear about the attack.

Former Labour Leader and MP for Doncaster North, said that the news was "absolutely horrific and shocking."

Fellow Labour MP, Stella Creasy, said that Cox was not only a "fantastic MP, she's also a great mate". She then said that all EU referendum campaigning would be suspended in her Walthamstow constituency.

At a Vote Remain event, former Liberal Democrat leader, Nick Clegg, said Cox is an "old friend" and "outstanding politician." He went on to say: "I just hope we don't have to hear the worst."

Former Prime Minister, Gordon Brown said that he was "hoping, praying and thinking of Jo."

Fellow West Yorkshire MP, Yvette Cooper said the news was "terrible" and sent her thoughts and prayers.

Conservative MP for Upminster and former Mayor of London, Boris Johnson, said his thoughts were with Cox and her family.

Labour's Shadow Chancellor, John McDonnell said he was "horrified" at the reports.

Shadow Foreign Secretary and Labour MP for Leeds Central, Hilary Benn, said "all our thoughts and prayers are with Jo Cox and her family."

Labour MP, Chris Bryant said Cox is a "the most passionate fighter for justice at home and abroad I know."