On September 11, 2001, four planes were hijacked and flown towards targets on the East Coast of the USA.
In an event that has had wide political, international, economic and financial ramifications, two of the planes were crashed into the Twin Towers of the World Trade Centre in New York, and another plane was crashed into the Pentagon.
The fourth plane crashed into a field, after the hijackers were overpowered by passengers.
Newstalk ZB kept New Zealanders in the know that day with the latest developments as they came in. Listen back to our archive from that day.
In part five, Newstalk ZB Afternoons host Danny Watson takes talkback after the devastating events of that day.
Archival audio courtesy of Ngā Taonga Sound & Vision