Warning:
This article may contain graphic and/or adult content unsuitable for minors and sensitive readers.
Police at Butterworth are asking for the community's assistance in arresting those responsible for the attack on a family while they were asleep.
Police captain Ernest Sigobe says four members of the same family were attacked in the early hours of Tuesday morning.
They all sustained serious head injuries.
A 12 year-old girl died at the scene and her one-year-old brother died in hospital on Wednesday morning.
There have been no arrests.
