Labour leader Ed Miliband has said the the government's handling of the immigration system is "turning into a shambles", following reports that language certificates that offer smooth entry in the UK are being sold illegally for £500.
"We want tough controls, we want the right controls to be in place," he said. "I think we need urgent answers on what has been going on here."
More top news
Guillier conceded a "severe defeat" defeat to his supporters as the result came in.