Labour pledges to tackle exploitation of migrant workers

By David Milliken LONDON (Reuters) - Opposition leader Ed Miliband said on Saturday that he would set up a new government unit to prosecute employers who exploit migrant workers if his Labour Party wins power in the national election on May 7. In a major speech on immigration -- a widespread concern among Britons that has bolstered the anti-EU United Kingdom Independence Party -- Miliband set out how Labour would try to ensure immigrants did not depress British wages. "We'll make it a