KATMANDU, Nepal (AP) — Officials in Nepal say a renowned South Korean climber and two of his partners have disappeared while trying to summit Mount Annapurna.

Dipendra Poudel of Nepal’s mountaineering department said rescuers have not been able to find any trace of the three climbers missing since Tuesday.

Park Young-seok has climbed the world’s 14 tallest mountains and reached both the north and south poles. He first climbed Annapurna in 1996. It is the 10th tallest and considered a technically difficult climb.

A colleague who equipped their expedition said the trio last contacted base camp Tuesday afternoon while heading up the peak. Ang Dorjee is now coordinating rescue efforts.

Dorjee said a rescue helicopter did not see any signs of the mountaineers on the slopes.

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