Meanwhile on the BBC a police spokesman says 'they aren't demonstrators but criminals'. Funnily enough that was more or less what a Libyan chap said in a bar in Malta to us about some coverage of the protests in Libya. He was clearly not on the side of the protesters.
Coming soon... Bullingdon Club members condemn 'senseless violence'.
Presumably if any people are arrested and are still in custody in 24 hours, the police will have to fill them in as visitors on their census forms.