President Joe Biden has told Indo-Pacific allies that he believes China’s increasing military assertiveness is an effort to test the region at a turbulent moment for Beijing.

The president warned leaders of Japan, India and Australia that Beijing "continues to act aggressively" during his hometown summit.

President Joe Biden is convening the leaders of Australia, India and Japan for a Quad summit in his hometown of Wilmington, Delaware, this weekend, aiming to put a final stamp on an alliance he hopes will endure beyond his presidency.