By surrendering to authorities, two Americans associated with Somali militant group the Shabab have turned a spotlight on a group weakened and deeply divided as it battles defections to its rival Islamic State.
Heavy fighting erupts as Al Shabaab clash with Islamic State in Somalia mareeg.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mareeg.com Daily Mail and Mail on Sunday newspapers.