Police are responding to an incident in Mercer where a male is allegedly in a vehicle with a firearm.
Police were first alerted to the vehicle in Manurewa and, with the assistance of Eagle helicopter, has followed it to the Mercer Mobil station where it has come to a stop.
Once the vehicle came to a stop, a female has exited the vehicle and advised police a male in the vehicle had a firearm with him.
Police have cordoned and contained the incident. As a precaution, the Waikato Expressway has been closed due to its proximity to the service station.
Motorists are advised to avoid the area and find alternate routes.
Armed Offender Squad members from Waikato have been called to assist with the incident.
Police will continue to release information as it becomes available.
ENDS
Released by the Police Media Centre