Terrorism Act 2000

11 (1) A constable may apply to a Circuit judge for the issue of a warrant under this paragraph for the purposes of a terrorist investigation.

(2) A warrant under this paragraph shall authorise any constable—

(a) to enter the premises specified in the warrant,

(b) to search the premises and any person found there, and

(c) to seize and retain any relevant material which is found on a search under paragraph (b).

(3) A warrant under this paragraph shall not authorise—

(a) the seizure and retention of items subject to legal privilege;

(b) a constable to require a person to remove any clothing in public except for headgear, footwear, an outer coat, a jacket or gloves.

(4) For the purpose of sub-paragraph (2)(c) material is relevant if the constable has reasonable grounds for believing that it is likely to be of substantial value, whether by itself or together with other material, to a terrorist investigation.