( CNN ) -- K2 says 17 dead , including Fredrik Strang who tried to rescue climbers . 11 climbers had made summit at K2 -- world 's second -highest mountain . Ice fall destroyed their fixed lines and safety ropes .
K2 says 17 dead , including Fredrik Strang who tried to rescue climbers . 11 climbers had made summit at K2 -- world 's second -highest mountain . Ice fall destroyed their fixed lines and safety ropes .