▁of ▁the ▁Arab ▁j und ▁under ▁K hal il . ▁During ▁this ▁time , ▁K hal il ▁also ▁began ▁the ▁reconst ruction ▁of ▁the ▁city ' s ▁main ▁mos que . ▁ ▁In ▁ 9 2 7 , ▁he ▁commanded ▁the ▁j und ▁cont ing ents ▁from ▁all ▁of ▁If ri qi ya ▁in ▁al - Q a ' im ' s ▁campaign ▁against ▁the ▁Z en ata ▁Ber bers ▁of ▁Muhammad ▁ibn ▁Kh azar , ▁who ▁were ▁successfully ▁resist ing ▁F at im id ▁rule ▁and ▁threaten ing ▁the ▁F at im id ▁out post ▁of ▁T ah ert . ▁ ▁Governor ship ▁of ▁Sic ily ▁A ▁large - scale ▁revol t ▁against ▁the ▁K ut ama - domin ated ▁and ▁tax ation - he avy ▁F at im id ▁regime ▁broke ▁out ▁in ▁Sic ily ▁in ▁April ▁ 9 3 7 . ▁The ▁re bell ion ▁began ▁at ▁Agr ig ento , ▁but ▁spread ▁quickly ▁to ▁the ▁capital , ▁Pal ermo , ▁and ▁other ▁cities . ▁The ▁long time ▁F at im id ▁governor , ▁Sal im ▁ibn ▁As ad ▁ibn ▁Ab i ▁R ash id , ▁found ▁himself ▁forced ▁to ▁lay ▁sie ge ▁to ▁his ▁own ▁capital , ▁and ▁requested ▁rein for c ements ▁from ▁the ▁F at im id ▁heart land ▁in ▁If ri qi ya . ▁▁ ▁The ▁F at im id ▁cal i ph , ▁al - Q a ' im ▁bi - Am r ▁Al lah , ▁selected ▁K hal il ▁ibn ▁I sha q ▁al