Boris Johnson may have been glad to swerve another debate when Plaid Cymru's Adam Price said that as gay man he was profoundly offended by Boris Johnson referring to "bum boys in tank tops" and he was unfit for public office.
The Labour leader will deliver a speech in York today.
The Conservatives will be wary of any endorsements or comments from the US president during his visit to the UK.
The Conservative minister was jeered when he actually said "anybody who supports a racist party leader shouldn't be standing for parliament."
Sir David’s intervention came as Boris Johnson insisted he wants an ‘unbridled’ media.
He was grilled over describing the children of single mothers as ‘ill-raised, ignorant, aggressive’ and working class people as 'feckless and hopeless.'
The PM said the quotes were stripped of context and formed part of a smear campaign by Labour.
Co-organiser Sofia Mason said the General Election is ‘life and death’.
The BBC said the adverts were a ‘completely unacceptable’ use of its content.