A homicide inquiry is underway after a 5-year-old child died at Rotorua Hospital.
Police and staff from the Institute of Environmental Science and Research (ESR) were called to a Union St home to investigate the circumstances of the child's death.
A post-mortem examination into the death is underway.
A 24-year-old man was charged with assaulting a child and appeared in the Rotorua District Court on Monday.
He was remanded in custody and is scheduled to reappear on March 3.
Police say further charges are likely.