§ Mr. Bradfordasked the Secretary of State for Northern Ireland how many formal patients in Purdysburn Mental Hospital were operated on under general anaesthetic by electro-convulsive therapy in each of the years 1972 to 1974; in how many cases each year permission was not obtained from either the patient or his nearest relative; and in how many cases each year electro-convulsive therapy was applied without permission even after the patient had been regraded to informal or voluntary.