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African forces leading campaign against Islamists
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Government needs the aid to shore up support
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President says new joint operations securing capital
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Somalia rebuilding donor trust after financial concerns
By Edmund Blair
MOGADISHU, May 10 (Reuters) - Somalia needs help airlifting basic supplies to towns recently retaken by African Union-led forces because Islamist insurgents who were driven out from those areas are blocking aid convoys, the president told Reuters in an interview.