The temporary expanded police powers introduced in the lower North Island follow tensions involving the Mongrel Mob and Nomads gangs. Photo / NZMEThe temporary expanded police powers introduced in the lower North Island follow tensions involving the Mongrel Mob and Nomads gangs. Photo / NZME

“The common denominator will be meth”

The supply and use of meth is likely to be behind the violent offending, a gang source told the Herald. Photo / NZMEThe supply and use of meth is likely to be behind the violent offending, a gang source told the Herald. Photo / NZME

One of New Zealand's biggest surveys looking at annual drug use and sale highlighted some big concerns in the Manawatū-Whanganui region. Photo / Mark MitchellOne of New Zealand’s biggest surveys looking at annual drug use and sale highlighted some big concerns in the Manawatū-Whanganui region. Photo / Mark Mitchell

Expanded powers: How warrant will allow police to track gang members who fled Levin

The Nomads gang was founded in the Horowhenua in the late 1970s. Photo / NZMEThe Nomads gang was founded in the Horowhenua in the late 1970s. Photo / NZME