Boris Johnson has triggered a wave of outrage after telling friends of the murdered member of Parliament Jo Cox to back Brexit, if they want to stop receiving death threats.
The pro-European Labour MP Jo Cox was murdered on the streets during the EU referendum in 2016 by a man shouting "Britain first" and later giving his name to the court as "death to traitors, freedom for Britain."
However, Johnson on Wednesday told MPs that the best way to honour Cox's memory and stop the growing number of death threats received by MPs was to "get Brexit done."
The prime minister used his first appearance in the House of Commons since the Supreme Court ruled that his decision to shut down parliament was illegal, to accuse his opponents of signing up to a "surrender bill" compelling the UK to delay Brexit.
Pushed by Jo Cox's successor as Batley and Spen MP, Tracey Brabin, to stop accusing his opponents of "surrender" and "betrayal," Johnson replied that "the best way to honour the memory of Jo Cox and indeed the best way to bring this country together would be, I think, to get Brexit done."
Several of Cox's former colleagues walked out in anger as the House of Commons descended into the most heated scenes seen in the chamber in living memory.
In an emotional speech Labour MP Paula Sheriff, who was a close friend of Cox, told Johnson he should be "ashamed" of his language and warned him that he was putting the lives of her and her colleagues at risk.
Johnson dismissed her comments as "humbug."
Asked again to tone down his rhetoric in order to prevent a repeat of what happened to Cox, Johnson replied that "the best way to ensure that every Parliamentarian is properly safe and we dial down the current anxiety in this country is to get Brexit done."
Johnson's comments led to a wave of outrage among both opposition and Conservative politicians.
The former Conservative Attorney General Dominic Grieve labeled Johnson a "pathological liar" with "no moral compass of any kind."
Johnson's former chief of staff when he was Mayor of London, Nick Boles, tweeted that "Boris Johnson will go down in history as one of the most callous and reckless human beings ever to occupy No 10 Downing St."
Conservative MP Stephen Crabb said that Johnson "has a duty as Prime Minister to try to bring unity to our country and reduce the level of poison in our politics," adding that he was "shocked by the way he responded to remarks about Jo Cox."
Even Johnson's Culture Secretary Nicky Morgan appeared to criticise the PM, tweeting that "we all need to remind ourselves of the effect of everything we say on those watching us."
Cox's husband Brendan tweeted that he "[feels] a bit sick at Jo's name being used in this way."