While its wiki, theres numerous references on the bottom. And the little section on the side thay gives the summary on the 2009 Somalia War has itself numerous little sources.
Eritrea had 2000 soldiers siding with the militants. Now the demographics of that country put the Christian population at 62%. I don't know the reliability of the info in the 'Religious' section, but it seem to me there is not much seperation of Church and State: