Tsunami warning issued for Australia, Fiji, New Zealand, Vanuatu, Samoa, Lord Howe and Norkfolk Island

Australia, Fiji, New Zealand, Vanuatu, Samoa, Lord Howe and Norkfolk Island have issued tsunami warnings after a South Pacific undersea volcano erupted off Tonga.

Mike Williams chats with Grace Legge from the Joint Australian Tsunami Warning Centre at the Bureau of Meteorology to give the latest updates on the situation.