As stated by Detective Inspector Scott Anderson:
Timaru Police have launched a homicide investigation after being called to a residential address last night.
Emergency services were called to the address shortly after 10pm.
On arrival at the scene emergency services found three deceased people. One other person has been hospitalised.
Police are speaking with people from the address and no-one else is being sought at this time.
Police are still in the very early stages of this enquiry and no further information is available at this stage.