R (on the application of Hall) v University College London Hospitals NHS Foundation Trust and another [2013] EWHC 198 (Admin), [2013] All ER (D) 119 (Feb)
The duty on the state under Art 2 of the European Convention on Human Rights included, in the context of persons detained by the state, an obligation to preserve life and to provide the necessary care to preserve life. However, Art 2 was only engaged where there was a “real and immediate risk” of death.