People running from sound of explosion at Westgate centre
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Many dead in Nairobi shopping mall shooting

21 September 2013 Last updated at 21:18 BST

A senior figure in the Somali militant group al-Shabab has told the BBC it carried out a deadly attack on a shopping centre in neighbouring Kenya.

Gunmen entered the Westgate centre at about 12:00 local time (09:00 GMT), throwing grenades and firing automatic weapons.

Al-Shabab, which has links to al-Qaeda, said the attack was in response to Kenya's presence in Somalia, where its troops have been fighting the militants since 2011.

Anne Soy reports from Nairobi.