The man said his daughter rang him to tell him what happened.
“She’s going to be devastated,” he said.
Police said in a statement that initial reports were that multiple people have been injured.
Cordons have been put in place while emergency services work at the scene.
At least 15 police vehicles and multiple ambulances were at the scene shortly after the incident, with four armed officers standing guard at the cordon.
At the Great North Rd end of Tuarangi Rd, a group of about eight or nine people tearfully hugged one another just outside the cordon.
The police helicopter can be heard flying overhead.
Armed police and a dog unit surrounded a block of flats and gained access to one of the units.
Police have erected a “specialist search group” tent.
St John Ambulance sent two rapid response vehicles, three ambulances and an operations manager.
One resident of the road has been told by police she can’t go home because of a “serious incident”.
Another reported seeing a body on the ground.
Soon afterwards, a man showed up at the intersection of Tuarangi and Great North roads wanting to gain access to the crime scene.
He told police his son was dead and he wanted to see him.
A team of armed officers also carried out a search of a block of units flats north of the fatal shooting scene on Great North Road later tonight.
One person was detained at the address.
– More to come
