MP 'tried to undermine' UKIP - Farage
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Nigel Farage: Douglas Carswell 'undermining' UKIP

UKIP's only MP, Douglas Carswell, has "tried to undermine" the party according to its former leader, Nigel Farage.

Party donor Arron Banks, a close ally of Mr Farage, has suggested he could stand against Mr Carswell at the next election.