The ban on gang patches came into force at midnight on Thursday, with the first arrest only three minutes later.
Police report there were 12 gang insignia-related arrests within the first 24 hours.
Richard Chamber is announced as the new Police Commissioner, after serving as an officer since 1996.
One of the ten youth offender bootcamp participants have been arrested.
LISTEN ABOVE

Kelly Eckhold: We have to look at the fuel situation "day by day"
08:35

Shane Jones: ComCom "need to get to the bottom" of Gull fuel shortage
17:17

Clint Smith: Polls aren't as important as you'd think (1)
08:21