Media playback is unsupported on your device

Elephant calves orphaned by wildlife poaching

12 February 2014 Last updated at 00:16 GMT

Prince Charles, David Cameron and the Duke of Cambridge are among those hosting an international conference in London on Thursday aimed at halting wildlife poaching.

The practice, worth an estimated £12bn ($19bn) per year has soared as the demand for ivory in China rises.

A kilo of ivory sells for about £140 ($230) in China, while rhino horn can fetch over £12,000 ($20,000) per kilo.

Kenya has been one of the biggest victims of poaching.

Our correspondent Mark Lowen visited an elephant sanctuary in Nairobi National Park to see the effect.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.