Ama Sumani, a 39-year-old Ghanaian widow and mother of two, had come to Britain as a student in 2002. She overstayed her visa but worked and paid taxes. She was diagnosed with multiple myeloma and treated by the NHS. In January, immigration officials removed her from her hospital bed in Cardiff and deported her to Ghana, where she died several weeks later. The Lancet, Britain’s leading medical journal, denounced the government’s behaviour as an “atrocious barbarism”.