Two men are in police custody in Christchurch after the death of a woman in Sockburn on Saturday afternoon.
Emergency services were called to reports of a potential stabbing on Cheyenne Street at 4:20pm.
A woman was found critically injured and despite medical assistance she died at the scene.
Police say two men were taken into custody nearby and are assisting police with their enquiries.
Cordons are being put in place in the area and motorists and pedestrians are asked to follow the directions of emergency services staff.
"Anyone who was in the Cheyenne Street area around the time the woman was injured and may have information which could assist police is asked to get in touch via 105 and quote event number P051030807," a spokesperson said.
"No further information is available at this stage. An update will be provided as soon as more information is available."