(1) It is lawful for a watch-house officer exercising or attempting to exercise a power under this Act against a person at a watch-house to use reasonably necessary force to exercise the power.
(2) Also, it is lawful for a watch-house officer to use reasonably necessary force to prevent a person in custody at a watch-house from escaping from lawful custody.
(3) The force a watch-house officer may use under this section does not include force likely to cause grievous bodily harm to a person or the person’s death.