A major police operation to recover hundreds of thousands of dollars' worth of stolen property is under way in the Far North following a ram raid at a Bay of Islands quarry.
The branch manager of Broadspectrum's Puketona Quarry, Mike Grimshaw, said the offenders had driven through one fence then cut their way through a second on Saturday night.
They had then taken an estimated $250,000 worth of road-contracting machinery and broken into the site office as well as three utes parked at the quarry.

Staff had been working at the yard, on Puketona Rd near Paihia, on Saturday afternoon and secured it before going home.