The United States, Japan, Australia and India are working to arrange the first meeting of their leaders under the so-called Quad framework amid China's growing clout in the region, a source from one of the countries involved said.

The move comes as the new administration of U.S. President Joe Biden appears eager to build on renewed attention to the grouping of the four major Indo-Pacific democracies, with national security adviser Jake Sullivan calling it "a foundation upon which to build substantial American policy in the Indo-Pacific."

According to the source, the United States has already proposed to other countries the idea of holding an online meeting of the Quad leaders.