0 a noisy, violent, and uncontrolled public meeting -- 暴亂;騷亂;聚衆鬧事
1 to take part in a riot -- 暴亂;騷亂;聚衆鬧事
The prison riots have sharpened the debate about how prisons should be run.
According to unconfirmed reports, two people were killed in the riots last night.