A woman was reportedly stabbed multiple times by a man on Westgate Drive just after 8.30am today.
Several members of the public - including a construction worker and woman driving past in a car - stopped to help but the victim died at the scene.
The man allegedly seen stabbing the woman fled in a car.
He was apprehended soon after and is in police custody.
At 4.20pm today police announced an arrest had been made.
Detective Inspector Colin Parmenter said the accused was known to the victim.
A 63-year-old man has been charged with murder following the death of a woman in Massey, West Auckland, this morning.
He said police were called to a report of an assault on Westgate Drive around 8:35am.
"We are in the process of contacting the victim's next of kin," he said.
"Police would like to commend members of the public who acted swiftly to try and help the victim this morning.
"One member of the public who was at the scene managed to bring the man's vehicle to a stop after he fled, enabling Police to quickly apprehend him.
"Other members of the public at the scene administered CPR on the victim, unfortunately to no avail."
Parmenter said those on the scene and "others who witnessed this horrific event" were being provided with support.
"And we are grateful to them for their assistance," he said.
A post-mortem is due to take place tomorrow.
The man will appear in the Waitakere District Court tomorrow.
Police will not be drawn on the specifics of the homicide as the matter is now before the courts.
A scene investigation is under way.
