Australian Defence Minister, Richard Marles, was critical of China's military build-up during his speech at a security conference in Singapore. 

Marles later met with his Chinese counterpart to raise his concerns face-to-face. 

The Shangri-La Dialogue has continued over the weekend, with Ukrainian President Volodymyr Zelenskyy is expected to speak on Sunday. 

Australian Correspondent Murray Olds told Tim Beveridge “China has become more and more aggressive – publicly aggressive.” 

Olds said China has apparently been pumping potentially deadly underwater sonar waves to hit Australian divers in international waters. 

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