Australia and Papua New Guinea have signed a formal alliance, cementing Canberra's position as the security partner of choice for its closest...

Australia and Papua New Guinea have signed a formal defence alliance.

Australia and Papua New Guinea have signed a formal defence alliance.

Australia has signed its first formal alliance in more than 70 years – with its nearest neighbour, Papua New Guinea.

Australia has signed its first formal alliance in more than 70 years – with its nearest neighbour, Papua New Guinea.

Australia has signed its first formal alliance in more than 70 years – with its nearest neighbour, Papua New Guinea.

Australia has signed its first formal alliance in more than 70 years – with its nearest neighbour, Papua New Guinea.

In a historic move, Australia and Papua New Guinea have elevated their bilateral relationship to a formal alliance by signing a landmark defence pact,...

In a historic move, Australia and Papua New Guinea have elevated their bilateral relationship to a formal alliance by signing a landmark defence pact,...

MELBOURNE--The leaders of Australia and Papua New Guinea signed a major bilateral defense treaty Monday that China believes targets it unfairly....