PNG celebrates independence, to sign defence treaty with Australia

Papua New Guineans stand in front of a statue of the nation's first prime minister, Michael Somare, during a flag raising ceremony at Parliament House in Port Moresby, PNG, September 16, 2025 [Mick Tsikas/AAP Image via AP]

Australia and Papua New Guinea (PNG) will commit to defending each other from armed attacks as they face “emerging threats” to their security, a new defence treaty seen by the AFP news agency says.

The South Pacific Island nation celebrated its 50th anniversary of independence from Australia on Tuesday, with the treaty expected to be sealed on Wednesday.