Lithium batteries thrown out in kerbside collection bins have caused three fires in Hamilton during the past six months.
On June 30, a battery fire was discovered in a Hamilton City Council rubbish truck as it emptied its contents at the Lincoln Street Resource Recovery Centre.
In May, a square lithium battery caught fire after it had been disposed of at the resource recovery centre and in February, a lithium battery from a vape ignited inside a council recycling collection truck.
The city council says recycling and landfill trucks compact the contents as they are collected, and the pressure on the highly flammable batteries can cause them to catch fire or even explode.
The council’s sustainable resource recovery unit director, Tania Hermann, said: “To have three of these incidents this year alone is really concerning.