R (MM) v SSHD [2006] EWHC 3056 (Admin)

"If, on the basis of medical evidence and other information which the Secretary of State has, he reasonably reaches the opinion that deterioration in the mental condition of the patient is likely to occur in the near future unless he is recalled to hospital, and that such deterioration would put the health and safety of the patient or others at risk, he is entitled to order recall."