By Trevor Hunnicutt and David Brunnstrom WILMINGTON, Delaware (Reuters) - Leaders of Australia, India, Japan and the United States will announce plans for new security initiatives in the Indian Ocean on Saturday,

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.

The Quad Summit in Delaware will announce an expansion of joint maritime security operations in the Indian Ocean, enhancing cooperation among the US, Australia, India, and Japan. This move aims to monitor illegal activities and counter China's growing influence in the region.

At their upcoming summit in Delaware, the leaders of the four Quad countries have an opportunity to build on long-running efforts to transform the grouping into one that is more sustainable,

US President Joe Biden hosted Australia's prime minister at his Delaware home Friday, at the start of a weekend summit with the so-called "Quad" group he has pushed as a counterweight to China.After a one-on-one meeting at his property with Australia's Anthony Albanese on Friday night,

While President Joe Biden’s primary residence is still the White House for another few months, he plans to host world leaders at another home this weekend: his house in Wilmington, Del.