NHS refusal to give boy 'life-changing' drug irrational and unlawful, court told

The parents of a boy with a rare genetic condition have gone to the British High Court to fight the NHS's decision to refuse funding for a "life-changing" drug.

The seven-year-old, who a judge has said should be identified only as S, has severe autism and phenylketonuria (PKU), which inhibits his ability to digest protein.