With just two weeks until Bulgarian and Romanian members of the EU are free to travel to the UK, a sharp divide over managing that emerged. In addition to saying a cap would be illegal, Nick Clegg said any attempt by the Conservatives to "pull up the draw-bridge" would be bad for British business.
ITV News Political Editor Tom Bradby reports:
The boss of Risby Park Farm said most of his workforce are Eastern European because British people aren't interested in working there.
Schools are having to work to help pupils who do not speak English natively - they insist they are adapting, but some locals are worried.
The streets are pretty quiet in the Romanian village of Racsa and then you realise why - it is missing an entire generation.