A Just Stop Oil protester was filmed 'screaming' while being carried into a police van after officers thwarted their attempts to sow chaos on the M25 in Kent this morning.  The eco-zealots - who want to ban new gas and oil extraction licences - have repeatedly targeted dangerous spots on the circular motorway since Monday, with hair-raising images today showing them unfurling signs atop gantries as traffic zooms past below.  They were able to outfox police for a fourth consecutive day on T...