Two people were injured during a large fight in Parklands.
A police spokeswoman said officers were called to Bolero Place at 11:20 PM due to a disorder involving a large group of people fighting.
By the time police arrived, the group had dispersed.
It is understood that one person was stabbed during the incident.
A St John spokeswoman said they were notified of the incident and responded with two ambulances, a rapid response unit, and a manager.
Crews assessed and treated two patients, both of whom were in moderate condition, and transported them to Christchurch Hospital.