An eyewitness sent these pictures of protests in Machu county, Gansu province. The demonstrations took place on Sunday but witnesses described continuing unrest on Monday.
A street scene during protests by Tibetan demonstrators in Machu, Gansu province.
There were reports that the crowd of protesters was 200 strong.
Motorcycles and shops belonging to Chinese owners were set alight.
Government buildings were set on fire during the protests.
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