2Extension of constable’s power to stop, search and arrest without warrant
(1)Where a constable has reasonable grounds for suspecting that a person has with him an article to which section 1 of this Act applies and has committed or is committing an offence under subsection (1) of that section, the constable may search that person without warrant and detain him for such time as is reasonably required to permit the search to be carried out.
(2)A constable who detains a person under subsection (1) above shall inform him of the reason for his detention.
(3)Where a constable has reasonable cause to believe that a person has committed or is committing an offence under section 1(1) of this Act and the constable—
(a)having requested that person to give his name or address or both—
(i)is not given the information requested; or
(ii)is not satisfied that such information as is given is correct; or
(b)has reasonable cause to believe that it is necessary to arrest him in order to prevent the commission by him of any other offence in the course of committing which an article to which that section applies might be used,
he may arrest that person without warrant.
(4)Any person who—
(a)intentionally obstructs a constable in the exercise of the constable’s powers under subsection (1) above; or
(b)conceals from a constable acting in the exercise of those powers an article to which section 1 of this Act applies,
shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 3 on the standard scale.
(5)Where a constable has reasonable cause to believe that a person has committed or is committing an offence under subsection (4) above he may arrest that person without warrant.