Foreign special forces in an attack helicopter staged a nighttime raid on a key base of Somalia\'s Al-Qaeda-linked Shebab, the insurgents said Saturday, claiming the assault had failed. \"The enemy of Allah tried to surprise the mujahedeen commanders with night attack using a military helicopter, but they were taught a lesson and they have failed,\" Mohamed Abu Suleiman told AFP, the Shebab commander in the southern Somali port of Barawe.