Yep! That's the one. There is also a theory that a portion of the burnt out cars you see are actually set on fire by tear gas canisters. Those canisters contai

Yep! That's the one. There is also a theory that a portion of the burnt out cars you see are actually set on fire by tear gas canisters. Those canisters contain a combustable charge which creates the aerosol (from a solid compound). Since they are being fired everywhere, it's not surprising that some end up underneath parked cars.