Police are investigating the death of a newborn baby in May.
Police are treating the death as suspicious but still have a number of inquiries to make, says Detective Inspector Gary Lendrum of Counties Manukau police.
The baby was taken to Starship Hospital on May 23 in a critical condition and died four days later.
It may be a significant amount of time before police have the results of forensic testing in the case, says Det Insp Lendrum.
The baby boy was living at Oceanic Lodge, a boarding house in Favona, when he was injured, media report.