 Howlgallada qarsoon ee Mareykanka Waxaa qortay Mary Harper, Tafatiraha wararka ee BBC World Service Xaqiiqda ah in Al-shabaab ay maareeysay in laba weerar ay la eegatay ajaaniib, maalin gudaheed, waxay muujineysaa awooddooda adkeysiga leh, 13 sano ka dib markii ay aasaasantay. 