Labour's shadow immigration minister said it was important to ask questions about the impact of foreign workers on the UK labour market, and address the concerns of UK residents and citizens.
He said there were questions of fairness to be asked about the hiring practises of British firms that specifically target foreign workers, and singled out Next and their association with an agency that targets Polish staff though its Polish language (only) website.
More top news
David Cameron will say the Tories are the party of the "grafters, roofers, retailers and plumbers" as he set out plans to help small firms
Lib Dem leader Nick Clegg will say his party are fighting '60 Eastleighs' on the campaign trail in the Hampshire constituency today.
The late Coronation Street actress Anne Kirkbride has been nominated for a British Soap Award.