d rew ▁to ▁Is fah an . ▁When ▁Ag ha ▁Moh amm ad ▁Khan ▁heard ▁about ▁the ▁Z and ▁invasion ▁of ▁Is fah an ▁and ▁its ▁surr ound ings , ▁he ▁quickly ▁march ed ▁towards ▁the ▁city , ▁which ▁made ▁J af ar ▁Khan ▁retre at ▁back ▁to ▁Sh ira z ▁once ▁again . ▁In ▁ 1 7 8 8 , ▁Ag ha ▁Moh amm ad ▁advanced ▁closely ▁to ▁Sh ira z , ▁where ▁he ▁hoped ▁to ▁b ait ▁J af ar ▁Khan ▁out ▁of ▁Sh ira z , ▁which ▁was ▁strongly ▁fort ified , ▁making ▁it ▁very ▁hard ▁to ▁bes ie ge . ▁Unfortunately ▁for ▁Ag ha ▁Moh amm ad ▁Khan , ▁J af ar ▁Khan ▁stayed ▁in ▁the ▁city , ▁which ▁made ▁Ag ha ▁Moh amm ad ▁Khan ▁return ▁to ▁Is fah an , ▁where ▁appointed ▁his ▁brother ▁Ali ▁Q oli ▁as ▁its ▁new ▁governor , ▁thus ▁succeed ing ▁J af ar ▁Q oli ▁Khan . ▁He ▁then ▁left ▁for ▁Te h ran . ▁ ▁With ▁Ag ha ▁Moh amm ad ▁once ▁again ▁in ▁the ▁north , ▁J af ar ▁Khan ▁began ▁raising ▁an ▁army ▁to ▁prepare ▁another ▁attack ▁against ▁Is fah an ▁and ▁its ▁surr ound ings . ▁When ▁Ali ▁Q oli ▁found ▁out ▁about ▁it , ▁he ▁sent ▁a ▁group ▁of ▁tribes men ▁to ▁a ▁city ▁south ▁to ▁Is fah an , ▁named ▁Q um ish ah . ▁However , ▁J af ar ▁Khan ▁managed ▁to ▁easily ▁defeat ▁them . ▁Ali ▁Q oli ▁there after ▁retre ated ▁to ▁K