A leading supplier of fair trade fruit has been accused of exploiting Eastern European migrant workers in the UK. Workers at Pratt's Bananas...say they have to work excessive hours, six or seven days a week, and fear losing their jobs if they refuse. A Polish woman who says she miscarried because of her duties is taking the firm to an industrial tribunal. Pratt's Bananas said the welfare of its workers was of "paramount importance" and it had begun an inquiry...Workers also said breaks were refused if they did not meet production quotas.