The Quad grouping on Tuesday expanded cooperation in critical minerals and energy while unveiling new measures to boost maritime surveillance and port infrastructure across the Indo-Pacific against the backdrop of China’s growing military posturing in the region.

The new measures were announced following a meeting of the grouping’s foreign ministers here, chaired by External Affairs Minister S Jaishankar and attended by US Secretary of State Marco Rubio, Australian Foreign Minister Penny Wong, and Japanese Foreign Minister Toshimitsu Motegi.