Waikato Police have launched a homicide investigation into the death of a 44-year-old Ngaruawahia man.
The investigation was launched as a result of the findings of a post mortem held this morning.
Police were called to a rural property north of Ngaruawahia about 11am Sunday morning following the man's death.
As a result of initial investigations a 38-year-old Hamilton man was charged with assault and appeared in Hamilton District Court today.
Police are continuing to speak with a number of people who were at the property at the time of the incident in order to determine what has taken place.