Maybe as an outsider to this I shouldn't be commenting and whilst absolutely agreeing with the "cooler heads" plea it strikes me that there's a vast disparity between the force currently being exercised by state forces, let alone their potential firepower, and "throwing rocks/bricks/water bottles/small explosives".
The scenes I'm seeing are indistinguishable from those I watched from Hong Kong recently and that's got to mean something very worrying, surely