Major delays are expected for travellers at airports later this month as aviation security staff go on strike over pay.
It's the first time they've walked off the job in 30 years, and there will be two weeks of industrial action at Auckland, Wellington and Christchurch airports.
The Public Service Association is one of the unions representing the workers.
National secretary Glenn Barclay spoke to Mark Sainsbury, filling in for Paul Henry, this morning.
