Record-breaking K2 feat dogged by claims climbers left porter to die

Norwegian climber Kristin Harila, left, and her Nepali sherpa guide Tenjen Sherpa, climbed the world’s 14 tallest mountains in record time (AP Photo/Niranjan Shrestha)

An investigation has been launched into the death of a Pakistani porter near the peak of the world’s most treacherous mountain, a mountaineer has said.

It follows allegations that dozens of climbers eager to reach the summit had walked past the man after he was gravely injured in a fall.