Riots and street battles killed at least 140 people in China's western Xinjiang province and injured 828 others in the deadliest ethnic unrest to hit the region in decades. Officials said Monday the death toll was expected to rise.

Police sealed off streets in parts of the provincial capital, Urumqi, after discord between ethnic Muslim Uighur people and China's Han majority erupted into violence. Witnesses reported a new, smaller protest Monday in a second city, Kashgar.

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