Kenyan troops in Somalia
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Military assault on Somali militant stronghold Kismayo

28 September 2012 Last updated at 13:30 BST

African Union (AU) forces have launched a beach assault and taken control of parts of Kismayo, the last major stronghold of Somalia's Islamist militants, Kenya's military says.

Al-Shabab has used the port to bring in weapons and earn revenue.

The BBC's Gabriel Gatehouse reports.