NEW : Airline operator says situation being monitored , does n't comment on flights . Al - Qaeda is blocking flights with bombs , graphic on Web . African Union military commander says he 's not received official warning . It is a splinter group of the Islamic Courts Union , which pushed out Somalia 's transitional government in 2006 . Al - Shaabab group is seeking to oust Ethiopian forces from territory .
NEW : Airline operator says situation being monitored , does n't comment on flights . Al - Qaeda is blocking flights with bombs , graphic on Web . African Union military commander says he 's not received official warning . Al - Shaabab group is seeking to oust Ethiopian forces from territory .