Question: What was the incident between the Uyghurs and an East Asian ethnic group that constitutes approximately 92% of the population of China?
Sentence (from "Shaoguan incident"): Groups of Han set upon Uyghur co-workers, leading to at least two Uyghurs being killed (although other reports indicate a higher death toll), and some 118 people injured, most of them Uyghurs.
Relevant evidence: No