Spokesman encourages potential fighters to go to Africa if they can not get to Iraq or Syria . Abu Bakr al-Baghdadi 's spokesman congratulated `` our jihadi brothers '' in western Africa . Boko Haram 's leader had extended his pledge to be an ally in an audio message Saturday .
Spokesman encourages potential fighters to go to Africa if they can not get to Iraq or Syria . Abu Bakr al-Baghdadi 's spokesman congratulated `` our jihadi brothers '' in western Africa . Boko Haram 's leader had extended his pledge to be an ally in an audio message last week .