Muslim cleric says Nairobi mall attack 'right thing to do'

A radical Muslim cleric has described the attack on Kenya's Westgate shopping centre as the right thing to do.

Kenyan authorities have been keen to move against the cleric because of his efforts to recruit fighters for the militant al-Shabab group in Somalia.

But as the BBC's Panorama program explains, he remains free because he has broken no law.

Watch the video above for the full story.