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Libya: Gaddafi son says minister's defection 'allowed'

5 April 2011 Last updated at 06:30 BST

The son of Colonel Gaddafi has insisted that he and his father do not feel betrayed by the defection of the Libyan Foreign Minister Moussa Koussa who arrived in London last week.

Saif al-Islam told World Affairs Editor John Simpson that Mr Koussa had travelled to Britain for health reasons because he was an old and sick man and needed treatment.