Dennis Maxwell described his grandson Ihaia McPhee-Maxwell as "your typical kid" who "had a lot of potential".
Dion Labaschagne was at work at O'Leary Engineering when he heard "a roar, and then a thud" before seeing sparks flying at the end of the driveway.
The victims were the fifth and sixth people to die following chases in 2018.
A 12-year-old girl, a passenger, died at the scene and the 15-year-old male driver died later in hospital.
Police say at 1.30pm the driver of a vehicle failed to stop for them on Monrad Street.
Philip Pearpoint was taken on a wild ride after he tried to stop the thief at Turners Sports Store.
The dream home of English immigrants Mark and Nichola Goodier home has officially been deemed to be a "dangerous building" ever since a 2015 storm.
Connor Bevins says he pretended to be a minor online in a bid to 'expose paedophiles'.
"Maybe this has galvanised them, hearing each other's stories and knowing they are not alone," say the nurses behind the Facebook group, New Zealand, please hear our voice.