A chance van search led to police finding methamphetamine, a firearm, and ammunition in Palmerston North.
A 30-year-old Palmerston North man is due to appear in court today on drugs and firearm charges.
Police uncovered a loaded sawn-off shotgun, 15 rounds of ammunition, and methamphetamine in the van, Manawatū area commander, Inspector Ross Grantham, said.
Two police officers patrolling on foot in Palmerston North on Tuesday night were waved down by a passing motorist at about 12.45am.
The motorist was concerned for the welfare of a man seen walking near the Esplanade.