Police have charged a Wairarapa man with arson offences, a $500,000 gold bullion fraud, and several burglaries.
It follows an investigation into a recent series of vehicle fires on private properties in Martinborough, Carterton and Masterton.
A 63-year-old man Carterton man was arrested in Masterton at 1am yesterday and is due to appear in court today.
Police said the man was seen leaving a residential address where staff then found and extinguished a vehicle fire.
"All of these arsons had the potential to spread to nearby homes."