civil disorder
forms of unrest arising from a mass act of civil disobedience in which the participants become hostile toward authority, and authorities incur difficulties in maintaining public safety and order, over the disorderly crowd
en-US/ˈsɪvəl dɪsˈɑɹdɚ/
en-GB/ˈsɪvəl dɪsˈɔːdə/