Depressing, but depressingly predictable. Perhaps the saddest thing is to see that rioting seems to be rather more about looting than protest. But I guess it's hard to separate out the two.
Still, it's disconcerting to see how quickly the police can lose control of the capital. And the power vacuum at the top of the Met resulting from the Murdoch business can't be helping. This government is starting to look seriously out of its depth.