Police have named the 3-month-old boy who died after suffering serious injuries at a Southland address on Monday.
He was Honour Shamrock Ashworth.
The little boy died in Auckland's Starship Hospital early yesterday after being transferred from Southland Hospital in a critical condition on Tuesday.
Police said the baby suffered serious injuries in a reported fall at his home in Riverton.
Detective Senior Sergeant Mike Bowman said yesterday the police investigation was continuing on behalf of the coroner and to determine any criminal culpability.