A Swiss national was on Friday killed while five of his associates were rescued after they were struck by an avalanche during skiing in the famous ski resort of Gulmarg in Jammu & Kashmir.br br The deceased has been identified as Arno Roy.br br The avalanche hit the Gulmarg tourist resort between Kongdoori and Afferwath when the group of six skiers from Switzerland was enjoying the sport on the slopes this afternoon, police said.