Prevention of Terrorism (Temporary Provisions) Act 1989

14 Arrest and detention of suspected persons

(1) Subject to subsection (2) below, a constable may arrest without warrant a person whom he has reasonable grounds for suspecting to be—

(a) a person guilty of an offence under section 2, 8, 9, 10 or 11 above;

(b) a person who is or has been concerned in the commission, preparation or instigation of acts of terrorism to which this section applies; or

(c) a person subject to an exclusion order.

(2) The acts of terrorism to which this section applies are—

(a) acts of terrorism connected with the affairs of Northern Ireland; and

(b) acts of terrorism of any other description except acts connected solely with the affairs of the United Kingdom or any part of the United Kingdom other than Northern Ireland.

(3) The power of arrest conferred by subsection (1)(c) above is exercisable only—

(a) in Great Britain if the exclusion order was made under section 5 above; and

(b) in Northern Ireland if it was made under section 6 above.

(4) Subject to subsection (5) below, a person arrested under this section shall not be detained in right of the arrest for more than forty-eight hours after his arrest.

(5) The Secretary of State may, in any particular case, extend the period of forty-eight hours mentioned in subsection (4) above by a period or periods specified by him, but any such further period or periods shall not exceed five days in all and if an application for such an extension is made the person detained shall as soon as practicable be given written notice of that fact and of the time when the application was made.

(6) The exercise of the detention powers conferred by this section shall be subject to supervision in accordance with Schedule 3 to this Act.

(7) The provisions of this section are without prejudice to any power of arrest exercisable apart from this section.