One driver ripped a banner out of the activists hands while another threw ink across the face of a man.

Insulate Britain had warned motorists they would be occupying the M25 on Wednesday in the latest of a string of protests.

Kent Police confirmed 14 people have been arrested after traffic came to a halt in both directions on the A206 at Crossways Boulevard, Greenhithe.

Protestors rallied at around 8am with some gluing themselves to the road and to one another.