Police are under the microscope after potentially misusing a new gang patch ban law when a 12-year-old boy was questioned on Christmas Day for wearing a boxing gym t-shirt, featuring elements of the Black Power logo.

Officers confiscated the shirt which had the the Kia Kaha Boxing Club logo with a fist on it and detained the boy. 

Kia Kaha boxing club member and the Secretary of Counties Manukau Boxing Association Josh Chellatamby talks to Tim Beveridge. 

LISTEN ABOVE.