Ice axes and crampons are always used on summit attempts.

She died in 2009 on Broad Peak, after a successful summit attempt.

Their summit attempt was broadcast on each live news section for five days.

By the time the storm briefly rose to the 18,000-foot level, Foster knew his chances for a summit attempt were over.

Clear weather and low winds are critical factors in deciding whether to make a summit attempt.

If we survived the summit attempt, we'd be back.

After everybody came out of that summit attempt alive, Hall may well have thought there was little he couldn't handle.

After a period of heavy rain and snow the three decided to make their summit attempt.

However, the next morning (12 hours later), Hall was found still alive by a team making a summit attempt.

Despite this, they decided to make a quick summit attempt.