Mahmud's flight sparked an uprising amongst his troops against provincial authorities. Those who were pro-Soviet in any way were executed and yet another independent Muslim administration was set up under leadership of the close associate of Mahmut Muhiti General Abduniyaz (killed in action in Yarkand on August 15, 1937), who adopted a command of troops, which enlisted about 4,000 soldiers and officers, consisted of 4 regiments, two of them being stationed in Kashgar, one in Yangihissar, one in Yarkand, also one brigade was stationed in Ustin Atush and one cavalry guard escadron in Kashgar. Sheng Shicai's provincial troops were defeated and routed by rebels in the fierce battle near city of Karashahr in July 1937, but eventually the uprising was quelled by Soviet troops (by the so-called "Kyrgyz Brigade", about 5,000 troops, consisted of two tactical groups- "Oshskaya" and "Narinskaya", each included 2 mountain regiments, one of Red Army and one of NKVD, reinforced by armoured vehicles, tank battalion (21 BT-7) and aviation; there were unconfirmed reports of the use of chemical weapons by these intervention forces against rebels), invited by Sheng Shicai to intervene in the August, 1937.