A HERO climber has died after trying to help his friend trapped on a 25,000ft peak with a broken leg.

Luca Sinigaglia, 49, twice climbed back to the summit to bring essential supplies to Natalia Nagovitsyna as emergency services race against time to rescue her.

The Italian climber died on August 15 from low oxygen and hypothermia in the Tian Shan mountain range on the border with China .

He was taking essential supplies (including a tent, sleeping bag, water, food and a small gas cooker) to his friend Natalia who had fallen and broken her leg while scaling the mountain on August 12.

Luca, a cybersecurity expert from Milan, was on his second attempt to reach Natalia and just a few hundred metres from where she was taking cover when he tragically died.

He had been climbing with Germ

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