Leave.EU communications chief Andy Wigmore said he instigated the meeting at a Ukip conference and had since met Russian figures "many times", as he and founder Arron Banks were grilled by MPs over EU referendum.
The leaked emails show previously undisclosed meetings with Russian officials and possible business deals. Banks is set to face a parliamentary committee tomorrow
Arron Banks was due to be questioned by the Digital, Media and Sport Committee but has accused them of colluding with pro-Remain groups
Former Ukip MEP Steven Woolfe says the next leader of the party could lead it to its demise
Former Ukip leader suggested a second vote would put an end to 'whinging and whining' by opponents of Brexit and 'kill it off' for a generation
Banks blasts UKIP as burqa ban policy continues to cause fierce criticism
Gerard Batten says Farage is wrong to stay out of 2017 election and has harsh words for Douglas Carswell and Arron Banks
Yes California founder Louis Marinelli says he has "decided to launch a sister campaign in England with the goal of liberating western Englishmen and women from their western counterparts."
Louis Marinelli, founder of Yes California, says Farage and his ideology are inimical to California's interests
Many people in California want independence - but for reasons diametrically opposed to those of Farage and Arron Banks
UKIP chairman Paul Oakden said Banks' social media posts were 'unfortunate' and 'our relationship with him is under review'
The party's main financial backer claimed the party had suspended his membership on Twitter
UKIP have denied this, saying he hadn't renewed his party membership at the start of the year
Former UKIP leader Nigel Farage has called for the party’s only MP Douglas Carswell to be expelled, as he believes he's working against the party
The former UKIP leader spoke to Paul Ross on the Full Set Breakfast this morning
Political commentator Bill Bernard says Mr Trump's decision to meet the UKIP figurehead shows his inexperience
UKIP leadership contender says party is 'extremely grateful' to Banks but she wants to work with donors who share her vision
UKIP has endured one crisis after the next in a tough couple of weeks
Arron Banks told Julia party is 'in a hell of a mess' after Kassam quit leadership race
UKIP donor discusses brawl which left Woolfe in hospital and spoke about his hopes for the party's leadership contest
Banks suggests that had men make these remarks all the time and if George Clooney had made them, we'd be more understanding
Ukip may be in crisis, but Farage claims the party has 'changed the entire gravity of British politics'
talkRADIO's evening show host gets on his soapbox to berate the party leadership as UKIP look set to melt down in the wake of the leadership debacle…
The businessman and political donor says he'll force a judicial review if government extend voter registration deadline