Police in Canterbury have launched a homicide investigation after a three-month-old baby with serious injuries died.
The baby died in Christchurch Hospital on 2 January 2022 after being admitted with serious injuries on 31 December 2021.
Police are asking anyone with details about how the baby was injured to come forward.
A number of witnesses have been spoken to in relation to the death and police say they have been provided with critical information in the investigation.
Anyone with relevant information is asked to call 105 and quote file number 211231/7575.