The invasion kept going, and in 1057 the Arabs spread on the high plains of Constantine where they encircled the Qalaa of Banu Hammad (capital of the Hammadid Emirate), as they had done in Kairouan a few decades ago.
ðɪ ɪnvˈeɪʒən kˈɛpt ɡˈoʊɪŋ, ænd ɪn wˈʌn θˈaʊzənd fˈɪfti sˈɛvən ðɪ ˈæɹəbz spɹˈɛd ɔnðə hˈaɪ plˈeɪnz ʌv kˈɑːnstɐntˌiːn wˌɛɹ ðeɪ ɛnsˈɜːkəld ðə kˈælɑː ʌv bˈɑːnuː hˈæmæd kˈæpɪɾəl ʌvðə hˈæmɐdˌɪd ˈɛmᵻɹˌeɪt, æz ðeɪ hæd dˈʌn ɪn kˈaɪrwɑːn ɐ fjˈuː dˈɛkeɪdz ɐɡˈoʊ.