Responding to extremist threat in Somalia, UN deploys Ugandan guard unit in capital

Ugandan officials say about 400 troops will be deployed in Somalia on Thursday under a new United Nations guard unit charged with protecting U.N. staff and installations in the violence-prone Somali capital.

Dressed in the U.N.'s blue helmets and Ugandan military fatigues they will wear while on duty in Mogadishu, the troops were urged to show discipline in a ceremony witnessed by their Western trainers on Wednesday.

The U.N. last year recommended the deployment of a "static" guard unit to strengthen the security of its compound within the international airport in Mogadishu, which has been attacked repeatedly by Somalia's Islamic extremist rebels, who are linked to al-Qaida.

Ugandan troops have for years led a U.N.-backed African Union peacekeeping force that in 2011 ousted the al-Shabab rebels from Mogadishu.