Police have arrested a person in connection to the incident where a milk tanker was attacked.
The incident unfolded on Orini Road in the Waikato in the early hours of Saturday morning.
"During the incident a milk tanker was stopped by a group of people and cars, a significant amount of milk was emptied from the tanker and a hammer was used to smash the windscreen," says Waikato West are commander Inspector Will Loughrin.
An 18-year-old man has been charged with Wilful Damage, Disorderly Behaviour likely to cause Violence and Possession of an Offensive Weapon.
He will appear in the Huntly District Court on Tuesday, March 29.
Will says police have not ruled-out further arrests, in order to hold the offenders to account.
"Police are aware of community concerns around anti-social road users and recognise the distress their behaviour can cause.
"Police remain committed to ensuring our roads are safe for all in our community.
"The actions of a few anti-social road users will not be tolerated.
"If you have any information, video or pictures of the incident on Orini Road that could assist Police in identifying those involved please contact Police on 105 and quote file number 220320/4139."