 Abdul Aziz, Khan of Bukhara, had entered into an alliance with Shah Abbas and in May 1652, he dispatched 10,000 troops to Kabul in May to harass the Mughal supply lines.Though not strong enough to lift the siege, the Uzbeks endangered a Mughal convoy of 2,000 who were escorting one and a half million silver coins to the besieger's army at Kandahar.After two months of fighting Persian resistance and the growing activities of the Uzbeks, Aurangzeb was forced to abandon the campaign.