s 4 Entry, search and seizure.
(1) The following applies where a justice of the peace is satisfied by information on oath, laid by or on behalf of the Director of Public Prosecutions or by a constable, that there is reasonable ground for suspecting that, in any premises ..., there is an indecent photograph or pseudo-photograph of a child . (2) The justice may issue a warrant under his hand authorising any constable to enter (if need be by force) and search the premises . . ., and to seize and remove any articles which he believes (with reasonable cause) to be or include indecent photographs or pseudo-photographs of children . . . . (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (4) In this section “ premises ” has the same meaning as in the Police and Criminal Evidence Act 1984 (see section 23 of that Act).