Over the past few years, with help from the African Union Mission in Somalia (AMISOM), many cities that were once al Shabaab strongholds were taken back by Somali forces.
WarZone: Militant Somalia: The Fight Against al Shabaab [Video]
Al Shabaab has been a threat to Somalia for almost a decade. In 2013, the group claimed responsibility for the Westgate Mall attacks in Nairobi, Kenya, where 67 people were killed. This signaled a shift in the scope of al Shabaab’s tactics, which until this point had been focused within Somalia, where the group was in control of much of the country.