Police have seized a weapon after pulling over a car in front of Auckland city centre workers and shoppers.
The incident took place near the Juicy Snooze hostel in the CBD's western end.
"Shortly after noon police pulled over a vehicle on Emily Place," a police spokeswoman said.
"A firearm was located in the vehicle and a person has been taken into custody."
A witness said there were many police at the scene and that they had spoken with a man and a woman.