Where a warrant is issued under section 135(1) or (2), a constable may search the person to whom the warrant relates if the constable has reasonable grounds for believing that the person—
The power to search conferred by subsection (1) may be exercised—
Where a person is detained under section 136(2) or (4), a constable may search the person, at any time while the person is so detained, if the constable has reasonable grounds for believing that the person—
The power to search conferred by subsection (1) or (3) is only a power to search to the extent that is reasonably required for the purpose of discovering the item that the constable believes the person to be concealing.
The power to search conferred by subsection (1) or (3)—
A constable searching a person in the exercise of the power to search conferred by subsection (1) or (3) may seize and retain anything found, if he or she has reasonable grounds for believing that the person searched might use it to cause physical injury to himself or herself or to others.
The power to search a person conferred by subsection (1) or (3) does not affect any other power to search the person.