A person was shot in West Auckland yesterday and remained in hospital today.
Residents were shut out of residential areas throughout Glen Eden on Thursday night as streets were closed by police officers.
A concerned local told the Herald they heard "three loud gunshots" about 10pm.
Area Manager of Investigations Detective Senior Sergeant Roger Small said police were called to Glen Eden yesterday after receiving reports of a person with gunshot wounds.
Police then undertook two search warrants in West Auckland addresses and seized a number of firearms in the process.