Nirmal Purja, 36, climbed eight mountains in Nepal, five in Pakistan and one in Tibet in just over six months.
An official of the Pakistan Alpine Club says authorities are dispatching a helicopter to northern Ghizar district on Tuesday in a bid to rescue four Italians and three Pakistani climbers stranded due to an avalanche.
Authorities says mission to recover climbers' bodies likely to take 10 days.
Th climbers, from Britain, the United States, Australia and India, had been trying to climb the summit of Nanda Devi, the second-highest peak in India, and were probably hit by a large avalanche, officials say.
Rizza Alee, an 18-year-old climber from India-administered Kashmir, said "massive traffic jams" up the mountain had made scaling the world's most sought after climb "a death race."
Robin Haynes Fisher died in the "death zone" known for low levels of oxygen on the descent from the summit of the world's tallest mountain, officials say.
Kami Rita Sherpa climbed to the top on May 15 then returned to base camp before climbing again this week.
Kami Rita Sherpa, 49, reached the summit, breaking his own record that he set last year.
The strongest cyclone to hit India in five years killed at least twelve people in eastern Odisha state, before swinging north-eastwards into Bangladesh on Saturday where four more people died although more than a million had been evacuated.
The crash occurred while the plane belonging to Summit Air was trying to take off from Lukla for Kathmandu.
Nepal is a staging ground for China and India's military dominance of South Asia. So what role can Nepal play as it is stuck between a rock and a hard place?
They are aspiring ultra-marathon runners, hoping the sport will put their remote village on the map and provide the funds needed to rebuild homes destroyed by 2015 earthquake.
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