The UK Independence Party will receive a multi-million pound boost before next year’s European elections after winning support from one of Britain’s wealthiest businessmen. Paul Sykes, a self-made tycoon and veteran of the campaign to keep the pound 15 years ago, has promised to do “whatever it takes” to help Ukip top the polls in May. His move deals a big blow to the Conservatives as they fight to contain Nigel Farage’s party. Mr Sykes supported the Tories under Margaret Thatcher and Michael Howard, but has backed Ukip in the past, giving the party £1.5 million in 2004. His latest investment...