Police are looking for a person who shot a BB gun at a school bus on Auckland's Southern motorway.
About 12.15pm on Wednesday, a BB gun was fired from a car being driven past the bus, shattering a window.
About 15 people were on board, most of them children. No-one was injured.
Police are looking for witnesses and for a red or maroon car that entered the Southern motorway at Massey Road and exited at Puhinui Road.