Battle of Uhud in order to build up strength for another advance on Medina. The success of the Meccans' rousing of tribes against Muhammad reaped disastrous consequences for him and the Muslims with two main losses: one was where a Muslim party had been invited by a chieftain of the Ma'unah tribe, who were then killed as they approached by the tribe of Sulaym; while the other was when the Muslims had sent out instructors to a tribe which stated it wanted to convert to Islam — the instructors had been led into an ambush by the guides of the would-be Muslim tribe,
Battle of the Defile the Turgesh army withdrew north towards Samarkand. The Muslim army followed, and scored a victory in a battle fought near the city. Junayd then retired with his troops to winter in Merv. During the winter, rebellions broke out south of the Oxus, in Tokharistan, which had hitherto been quiescent to Muslim rule. Junayd was forced to set out for Balkh and there dispersed 28,000 of his men to quell the revolt. This left him seriously weakened when, in early 731, the Turgesh laid siege to Samarkand and appeals for aid arrived from the city's governor, Sawra ibn al-Hurr al-Abani. Despite