British prime minister had promised to slash net migration to 'tens of thousands' at two elections.
Ukip source told IBTimes UK the decision was intended to 'marshal resources as best we can'.
EXCLUSIVE: General secretary Ronnie Draper spoke to IBTimes UK about the historic ballot.
IBTimes UK attended the Eurosceptic event as David Cameron's settlement was announced.
TNS poll revealed only 14% of voters thought the prime minister's efforts were a 'success'.
UK prime minister promised not to take a deal that 'does not meet what we need'.
EXCLUSIVE: The second part of the Mayor of London hopeful's video interview with IBTimesUK.
Prime minister was due to meet the Eurosceptic firebrand alongside other political group leaders.
Salmond also said David Cameron has 'been sensitive about debating with people in recent history'.
Senior figures within party reportedly backed candidates despite controversial backgrounds.
Channel 4 said it had receipts totalling more than £100,000 of spending outside of the party's by-election expenses.
Liberal Democrat leader issued the warning when questioned by IBTimes UK about immigration.
EXCLUSIVE: Ukip deputy chairman tells IBTimes UK she will go against the NEC's decision.
Pro-Europe politicians deny Turkey will be invited to join EU in near future, but Ukip stands by advert.
Party's review into its election defeat warned that Ed Miliband failed to connect on the issue.
Cutting red tape and allowing competitiveness across the EU are main issues for businesses.
We will only get immigration its good name back when we can control numbers coming to UK - and leaving the EU.
Family of Ukip's Cllr Denis Crawford assumed he missing due to his busy schedule.
Steve Woolfe will claim BME communities want a 'fair, sensible and compassionate' migration policy.
Former defence secretary also claimed Nato had provided the peace in Europe, not the EU.
A demonstrator spoke to IBTimes UK after confronting the Ukip leader in Wellingborough.
Nigel Farage wants to 'blow the bloody doors off' the EU campaign after the actor's remarks.