Police have launched a homicide investigation after a 16-year-old young man died late last night at a Casebrook address.

At 11:03pm Police responded to reports of a firearms incident, upon arrival a man was located deceased.

It’s understood a party was taking place at the time of the shooting.

Detective Inspector Michael Ford said a homicide investigation, including a scene examination, is under way to determine what occurred and who is responsible.

“We are appealing to anyone who was in the area at the time, and can assist with our inquiries, to come forward and speak to us.”

Anyone with information is asked to contact Christchurch Police on 105 and quote event number P048523046 .

Information can also be provided anonymously via Crime Stoppers on 0800 555 111 .