A top Slovak mountaineer died on a descent of the 7,234-metre Langtang Lirung peak in Nepal after an historic ascent up its east face, Slovakia’s climbers association said on Sunday.Ondrej Huserka, a member of the Slovak national mountaineering team who had climbed in the Alps, Patagonia, Pamir Mountains and Himalayas, fell into a crevasse on Thursday.His Czech climbing partner Marek Holecek said that the pair had just completed the first-ever ascent of the Langtang Lirung peak via the east face.The Slovak climbers association SHS James called for rescue action on Facebook but then said on…