Police have launched a homicide inquiry following the death of three-year-old Palmerston North girl Kash McKinnon.

Emergency services called because of visitor's fears for 3-year-old girl who later died in hospital.

Police hope a post mortem on a three-year-old girl who died today of suspected head injuries will reveal more about the circumstances in which she died.

The three-year-old girl found unconscious at a Palmerston North home yesterday afternoon has died.

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