3(1)This paragraph applies where—U.K.
(a)an officer of a relevant authority is lawfully in any public place otherwise than in reliance on a power conferred by paragraph 23(1) or 32 of Schedule 5 to the 2015 Act, and
(b)the officer reasonably suspects that a person has committed, is committing or is about to commit a relevant offence.
(2)The officer may—
(a)search or examine anything which appears to be in the person's possession or control, and
(b)seize and detain or remove any item which appears to be in the person's possession or control.
(3)The officer may seize an item under sub-paragraph (2)(b) only if the officer reasonably suspects that it is necessary to do so for the purpose of—
(a)ending the commission of the offence;
(b)preventing the commission of the offence;
(c)enabling the item to be used as evidence in proceedings for the offence.
4U.K.Paragraph 31 of Schedule 5 to the 2015 Act (power to break open container etc) applies for the purpose of exercising any power conferred by paragraph 3 of this Schedule as it applies for the purpose of exercising a power in paragraph 28 or 29 of that Schedule.