Police have arrested two more teenagers over a spate of arsons in the Wellington suburb of Kilbirnie.
Three vehicles and a house were set on fire in the series out arson attacks carried out overnight on March 3.
A pair of 15-year-old boys have appeared in the Wellington Youth Court after being arrested over the attacks on the weekend.
Two more teens, aged 15 and 16, were arrested after searches carried out by investigators early this morning.
Stolen property believed to have been taken in recent burglaries in the Kilbirnie area were recovered in the searches, police said.