Children and young persons – Detention. There was no bright line rule that prolonged solitary confinement lasting more than 15 days, in itself, breached art 3 of the European Convention on Human Rights or any presumption to that effect. Accordingly, the Court of Appeal, Civil Division, dismissed the claimant's appeal against the judge's decision that there was no breach of his art 3 rights and the Secretary of State's cross-appeal against his decision that art 8 was engaged.