A 21-year-old woman has died of stab woundsand a man is in hospital under police guard, following an altercation in Dunedin on Monday.
Police were called to a house in Bay View Road, South Dunedin about 9 pm, where they found the body of the woman.
A 50-year-old man is in hospital with a number of knife wounds.
Police said the man's injuries are believed to be self inflicted and are not life threatening.
They said the man and woman had been in a relationship late last year.
Witnesses told police the woman was being chased down the street.
Detective Senior Sergeant Steve McGregor said police are not seeking anyone else in relation to the incident which appears to have occurred after an argument between the couple.
He says police want to hear from anyone who saw or heard the incident, particularly the five people who called 111.
A team of 26 officers is working on the case