After paragraph 22 insert—

“Powers in respect of detained persons

22A

Where a designation applies this paragraph to any person, he shall be under a duty, when in the course of his employment he is present at a police station—

(a)

to assist any officer or other designated person to keep any person detained at the police station under control; and

(b)

to prevent the escape of any such person,

and for those purposes shall be entitled to use reasonable force.”