 Tahir, who had been in Bust, joined up with Ya'qub and besieged al-Laith's position.Despite reinforcements from Sebük-eri, however, he was unable to dislodge al-Laith and began to suffer from having very little money to maintain the support of those around him, thanks to declining government revenues.Tahir and Ya'qub decided to flee to Sebük-eri.