At least 30 Philadelphia cops were injured by early Tuesday as violent mobs torched squad cars and charged lines of officers in a night of carnage sparked by the police shooting of a knife-wielding man.

Organized protests gathered at a park chanting “black lives matter” soon after news broke of the 4 p.m. death of 27-year-old Walter Wallace, who was shot by police after refusing to drop a knife.

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Hundreds of people then swamped the streets, leading to at least 33 arrests by the early hours Tuesday on charges including rioting, assault on police officers, looting and possession of firearms, ABC News said.

The carnage was caught in a series of disturbing videos on social media, including a speeding black truck that ran through a line of officers, hitting a 56-year-old female sergeant. She remained hospitalized with a broken leg and other injuries, NBC Philadelphia said. Read more at NY Post