attack
... that in order to remove a rival general from the capital, the Abbasid vizier Ahmad b. al-Khasib sent him to attack the Byzantine Empire?
... that in order to remove a rival general from the capital, the <a class="mw-redirect" href="./Abbasid" id="mwAdY" rel="mw:WikiLink" title="Abbasid">Abbasid</a> <a href="./Vizier" id="mwAdc" rel="mw:WikiLink" title="Vizier">vizier</a> Ahmad b. al-Khasib sent him to <b id="mwAdg"><a class="mw-redirect" href="./Capture_of_Farurriyah" id="mwAdk" rel="mw:WikiLink" title="Capture of Farurriyah">attack</a></b> the <a href="./Byzantine_Empire" id="mwAdo" rel="mw:WikiLink" title="Byzantine Empire">Byzantine Empire</a>?