SIR Keir Starmer and Boris Johnson had a heated exchange after PMQs, Trending In The News can reveal.
The livid Labour leader confronted the PM as the pair left the Commons chamber after their weekly bout, with eyewitnesses calming Sir Keir “had a bit of a meltdown”.
One MP told who witnessed the exchange said: “He was clearly very rattled at kept saying to the PM ‘it’s not true, it’s not true'”.
It’s understood Sir Keir was angry after the PM highlighted the opposition boss’s previous support staying in the European Medicines Agency.
The pair had the angry exchange just by the voting lobbies at the entrance to the House of Commons earlier this afternoon.
Another MP said: “As I walked past they were in a heated discussion about what had just happened by the entrance to the Aye lobby.”
Sir Keir’s spokesman said he was “not aware of the incident.” Downing Street have been approached for comment.