fracas

酒吧里突然爆发了一场混战，桌椅都被掀翻了。

A sudden ___fracas broke out in the bar, with chairs and tables overturned.

在裁判有争议地取消了主队的压哨扳平球后，看台上爆发了一场混乱。

A ___fracas erupted in the stands after the referee controversially disallowed the home team's late equalizer.

起初是一场和平抗议，却迅速在广场上演变成了混战。

What began as a peaceful protest quickly devolved into a ___fracas in the square.