City of pointless pranks

So because we see some student or other, pretending to cut a security chain off his own bike (Oxford Mail, June 10), at the same time his student friend is filming him, in Oxford, city of students – prank city – we are supposed to rush up to him, whack him into a half-Nelson arm lock, while shouting ‘Police, police!’, coinciding with some passer-by wrestling his camera-toting friend to the ground, smashing the camera to pieces in the process!