Exceptions: Statutory Duty, Contractual duty (Stansbie v Troman), D has high level of control over C (Reeves v Commissioner of Police for the Metropolis- parent/child, police/prisoner), Assumption of responsibility by D (Barrett v MOD, officer assumed responsibility for drunk soldier when started to care for him, had responsibility to get appropriate medical assistance), D created dangerous situation then failed to take steps to mitigate risk of danger (Goldman v Hargrove)