"It will take some time to establish exactly what happened and we won't be able to comment on the cause of the crash until the investigation has progressed. In the meantime we will do everything we can to support the family.''
It's the second fatal incident involving a child in Counties Manukau District in only two weeks, following the death of a 2-year-old in Papatoetoe on April 9, and the second incident involving a child and a trailer.
A 9-year-old boy received injuries after slipping under a trailer in Takanini on April 12.