Nepal earthquake: Sherpas mourning Nepal's avalanche dead

Climbers on Mount Everest are often supported by teams of Sherpas who work as porters, guides and cooks.

Many were caught up in the avalanche triggered by the Nepal earthquake and some lost their lives.

The earthquake once again highlights the risks that Sherpas take in a bid to earn money to make a living.

Ian Pannell went to Everest base camp and met Sherpas who have lost loved ones.