antine ▁em peror ▁in ▁Constantin ople ▁asking ▁for ▁his ▁assistance . ▁Emperor ▁Roman os ▁I ▁Le kap en os ▁indeed ▁dispatch ed ▁a ▁fleet ▁with ▁some ▁troops ▁and ▁supplies ▁to ▁the ▁reb els . ▁▁▁ ▁K hal il ▁also ▁asked ▁for ▁rein for c ements , ▁and ▁went ▁on ▁the ▁off ensive ▁against ▁the ▁re bel ▁strong holds . ▁Over ▁ 9 3 9 ▁and ▁ 9 4 0 , ▁he ▁captured ▁Maz ara , ▁Q al ' at ▁al - B all ut ▁( mod ern ▁C alt ab ell otta ), ▁Q al ' at ▁Ab i ▁Th aw r ▁( C alt av ut uro ), ▁Q al ' at ▁al - S irat ▁( Col les ano ), ▁and , ▁in ▁March ▁ 9 4 0 , ▁Q al ' at ▁Ab lat ano ▁on ▁the ▁river ▁Plat ani . ▁Agr ig ento ▁finally ▁capit ulated ▁on ▁ 2 0 ▁November ▁ 9 4 0 ▁against ▁guarantee ▁of ▁safe ▁passage ▁for ▁the ▁g arrison , ▁a ▁promise ▁which ▁was ▁immediately ▁broken . ▁The ▁remaining ▁re bel ▁strong holds ▁began ▁to ▁capit ulate ▁after ▁that , ▁and ▁in ▁September ▁ 9 4 1 , ▁K hal il ▁was ▁able ▁to ▁return ▁to ▁If ri qi ya . ▁On ▁the ▁high ▁sea , ▁he ▁had ▁the ▁capt ive ▁not ables ▁of ▁Agr ig ento ▁put ▁on ▁a ▁ship ▁and ▁s unk ▁it , ▁killing ▁all ▁of ▁them . ▁So ▁many ▁Sic ilian ▁Muslim s ▁again ▁fled ▁from ▁the ▁brut al ▁supp