One person is dead after an incident in central Christchurch in which a bloodied man - wielding a hammer - was seen running down a street.
Police said emergency services received a report of a serious assault at an Armagh St
property about 7.35pm on Sunday.
A body was located at the address, police said, and a homicide inquiry was under way.
"Soon after, police located a person who is assisting with the investigation."