When Gordon Brown called a Labour voter in Rochdale "bigoted" he didn't realise he was still being recorded. The mistake sent his campaign team into turmoil and Brown ended the afternoon by visiting 65-year-old Gillian Duffy's home to apologise.
Jon Dennis is in our studio joined by our election editor Matt Wells and columnist Madeleine Bunting to assess how costly Brown's comments could be for Labour.
Out in Rochdale, Martin Wainwright finds how Brown's comments have been received by Mrs Duffy's neighbours.
The furore has at least livened up the campaign - one which Channel 4's John Snow says has been strangely dull until now.
Meanwhile out on the stump, Michael White tracks down the two candidates slugging it out in the genteel surroundings of Richmond Park.
Zac Goldsmith needs a 3.5% swing to take the seat from the Liberal Democrat encumbent Susan Kramer and the battle is turning ugly. Goldsmith alleges that his opponents have been removing his posters in the dead of night. Kramer calls the claims ludicrous. Among the people we spoke to there was an even split between the two parties.
Leave your thoughts below, we return tomorrow night following the final televised leaders' debate.
