Boris Johnson has lambasted David Cameron for "shamefully" spending £9.3 million of taxpayers' cash on a pro-EU leaflet.
The Mayor of London rounded on the "scare" tactics of the remain campaign as he continued his northern "Brexit blitz" tour.
Yet as Johnson began his speech he was interrupted by hecklers shouting "no Tories in Newcastle" and a group of women with at least one small child with them were escorted out, the Press Association reports.
Johnson joked that when he cycles around London people know who he is and shout out things at him "like those kindly people" who disrupted the event.
He told the crowd that, unlike anonymous politicians and bureaucrats in Brussels, voters can hold him accountable.
"People know what I do, they shout at me in the street rather like those kindly people. They shout 'you Tory tosser' or whatever.
"They know who I am, they know what I do. Who knows what's going on in Brussels?"
In a swipe at the Prime Minister, Johnson said the remain supporters were "shamefully spending £9.3m of taxpayers' money on a leaflet trying to scare everybody into remaining in the EU".
"In the scare tactics of project fear they are woefully underestimating this country and its people and what we can do."
On Friday, Johnson told supporters in Manchester to interrupt a live broadcast being given by Channel 4 News’s Michael Crick.
The bizarre incident, in which the Mayor of London told Crick to “shut up”, saw a man approaching the veteran journalist and ask him to stop talking.
Crick later defended Johnson on social media after some people compared the Tory minister to Donald Trump.
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