Photo released by police shows rioters block traffic and destroy vehicles in Urumqi, capital of northwest 皇冠体育app's Xinjiang Uygur Autonomous Region on July 5, 2009. Death toll has risen to 156 following the riot Sunday evening in Urumqi, capital of northwest 皇冠体育app's Xinjiang Uygur Autonomous Region, according to official sources. [chinadaily.com.cn]