Broad Peak Attempt. A French expedition led by Michael Vincent and composed of Yves Astier, François Rebuffet, Jean-Claude Chaix, Marc Donzelle and André Berthet unsuccessfully attempted Broad Peak. Astier made a solo attempt from May 28 to June 2. From June 8 to 10 Vincent and Astier climbed together to 25,600 feet but were driven back by storm. Berthet reached 24,950 feet.