Irish climber missing on Everest hours after reaching summit

Mr Lawless had successfully scaled Everest along with the other Irish climbers and international mountaineers and sherpas.

An Irish climber has gone missing while descending from the summit of Mount Everest.

Seamus Lawless, an Assistant Professor at the School of Computer Science and Statistics at Trinity College Dublin, had been part of an Irish expedition team attempting to conquer the world's highest peak.