Unlike the efforts of the Derbyshire Police, and a thread which by now must be boring folk, here is a different scenario, and one in which I totally support the actions of the police (not that they need my support) it what seems to have been a totally irresponsible gathering, and one which seems that it may have been a deliberate attempt to provoke the police officers
Mike
https://www.bbc.co.uk/news/uk-england-dorset-55609185