Mass immigration damaging Britain, says May

By William James MANCHESTER, England (Reuters) - Mass immigration is damaging British society, Conservative interior minister Theresa May said on Tuesday, promising a tough approach on an issue that will influence Britons' choice of whether or not to leave the European Union. "When immigration is too high, when the pace of change is too fast, it's impossible to build a cohesive society," May, seen as a possible future leader, told a party conference in the northern city of Manchester. Mass immig