Apologies for the Daily Mail link:
If this lot are allowed to continue with impunity, I can see someone getting seriously hurt.
Insulate Britain are BACK: Eco-protestors bring M25 to a halt
The demonstrators ran out onto the road by traffic lights at junction 31 of the motorway near Thurrock on the north side of the Dartford Crossing which links Essex to Kent.
www.dailymail.co.uk
If this lot are allowed to continue with impunity, I can see someone getting seriously hurt.