(2)     This section applies if the chief executive or a police officer reasonably believes that a child or young person—

        (a)     is in immediate need of care and protection; or

        (b)     would be so in need if immediate care and protection were not provided.

(3)     If this section applies, the chief executive or police officer may—

        (a)     arrange for the child's or young person's care and protection either in a premises or place or by moving him or her from a place to another place; and

        (b)     for the purpose of making those arrangements, use such force (including for breaking into premises) as is reasonably necessary to safeguard the wellbeing of the child or young person.

(4)     The chief executive or police officer may take emergency action in relation to a child or young person even if, at the time he or she proposes to take the action, the child or young person is in the care of someone with parental responsibility for the child or young person.

(5)     The chief executive or police officer may use such assistance as is necessary and reasonable for the purpose of taking the emergency action.