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Somalia's battle against al-Shabab militants

26 March 2014 Last updated at 00:55 GMT

The Somali Islamist insurgent group al-Shabab controls more land than any other al-Qaeda affiliate organisation across the world.

In Somalia, government troops have been joined in their operation to suppress the militants by African Union soldiers.

The BBC's International Development correspondent Mark Doyle is the only foreign correspondent accompanying the African troops.