 In Lhasa they formulated and co-ordinated a revolt against the Qing forces, which had become increasingly weak in Tibet following the collapse of the Manchu Qing dynasty and the ongoing Chinese revolution.The Qing army lacked supplies and reinforcements and were forced to surrender on 12 August 1912 after force from an army led by Tsarong.Following victory, the Dalai Lama returned from exile, declaring the Independence of Tibet in early 1913.