Ama Sumani is slowing down. She is only 39 but moves like an elderly grandmother.

Ama came to the UK five years ago as a student
Her feet, legs and face are swollen.

A week ago Ama was lying in a hospital bed in Cardiff. Her kidneys damaged by cancer, she had just had a session of the dialysis treatment she needs three times a week to stay alive.

Then early in the morning, in walked three immigration officers.