A security van has been the target of an aggravated robbery outside The Warehouse in Auckland's Royal Oak.
Police said three people, one carrying a firearm, came up to the van's two guards at around 1:50pm on Tuesday.
After the guards handed over a back the trio fled towards Pah Rd in a white car.
Detective Sergeant Tony McKenzie said a number of witnesses are being spoken to, but there may be others who haven't spoken to police or have video of the robbery.
"Police would like to hear from anyone who was in the area at the time and may have information which could assist with the investigation," he said.
Anyone with information is urged to contact Auckland Central police station on (09) 302 6400, or anonymously via Crimestoppers on 0800 555 111.