It is all unraveling.
http://news.sky.com/story/1559023/ukips-mp-and-biggest-donor-in-public-spat
A row has exploded between UKIP's biggest donor Arron Banks and the party's only MP Douglas Carswell.
Mr Carswell earlier confronted Mr Banks at UKIP's annual conference over suggestions the donor has been involved in an attempt to deselect him.
After the clash, Mr Banks told Sky News the Clacton MP is "borderline autistic with some mental illness attached".
He later apologised for the comment.
The heated exchange at the conference in Doncaster occurred in the press room in front of journalists.
Mr Carswell immediately started briefing some journalists, many of whom had seen the altercation.
He told them the exchange was not "shouty" but a "matter of fact" discussion.
Mr Carswell refused to talk directly to Sky News.
Mr Banks told Sky News Mr Carswell was angry but that he "was on transmit, I think it would be the right description. I didn't really get the chance to say nothing".
The Guardian had reported entrepreneur Mr Banks said Mr Carswell should explain his position and possibly face deselection if he backed the eurosceptic organisation, Business for Britain (BfB).
Mr Banks leads the new Leave EU umbrella campaign.
UKIP leader Nigel Farage also weighed in after the spat.
"I can only guess he's (Mr Carswell) got some residual loyalty to his old friends in the Conservative Party and that's fine, friendship and loyalty are important values in life, but the fact is that (senior BfB figure Matt) Elliott's group do not advocate leaving the European Union, it's very simple," Mr Farage said.
He also said Mr Banks does not have the power to threaten Mr Carswell with deselection, but he said the MP may have a "slight problem" with the donor.
The clash came on a day that Mr Farage used his keynote speech to try to unite different eurosceptic campaigns.
In private, Mr Banks, who donated £1m to UKIP last year, has made clear his disdain for Mr Carswell.
It is not the first time the pair have had a public spat.
In May, after Mr Farage changed his mind to stay on as UKIP leader, the Telegraph reported Mr Banks labelled Mr Carswell "duplicitous".
Mr Banks told Sky News his parting words to Mr Carswell on Friday were '"stay classy, Santiago".