The peaceful protest quickly turned into a 'mob scene' as protesters began fighting the police.
The police had to be called in to handle/disperse the growing/gathering 'mob'.
The angry 'mob' smashed store windows and attacked people on the streets.
(..) - You sure he's not Italian? - He's black. If he had been Italian, he might have been a thief. They do that. The mob does that a lot of times. If a thief screws up on the job, they'll blow his fingers off. I'll tell you something else. It's like a joke, but true. If they kill a stool pigeon, (..)1976 Taxi Driver