 Meanwhile, Shah Rukh briefly occupied Azerbaijan and Armenia but then withdrew once more to Khorasan, appointing Qara Osman's son Jalaladdin Ali beg as his viceroy.At this point, Ispend quickly re-occupied Nakhchivan and Tabriz.However Iskander followed him and fought with him, taking the city and establishing himself as sole ruler of the Kara Koyunlu.