Yuichiro Miura
Media playback is unsupported on your device

Man, 80, vies to be oldest Everest climber

2 April 2013 Last updated at 01:46 BST

An 80-year-old Japanese climber who has had heart surgery four times is to attempt to climb Mount Everest.

If he succeeds, Yuichiro Miura will become the oldest person to reach the top of the world's highest mountain.

Laura Westbrook reports.