David Cameron pledges continued support for Afghanistan

David Cameron has said Britain will not be walking away from Afghanistan, even though most troops are leaving the country.

The Prime Minister was speaking after an international conference in London, where the future of Afghanistan was discussed.

The country's President, Ashraf Ghani, thanked the international community for its commitment and sacrifices and promised to fight corruption.

Mr Cameron said Britain would help in the long term.

Lyse Doucet reports.