Kenyan troops preparing for the beach assault
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Somalia Islamists abandon Kismayo amid AU attack

29 September 2012 Last updated at 21:57 BST

Islamist militants in Somalia say they have withdrawn from their southern stronghold of Kismayo, following an African Union (AU) military attack.

Kenyan and Somali forces launched a beach assault on al-Shabab's last major bastion on Friday but encountered fierce resistance.

Gabriel Gatehouse reports.