Handout photo issued by Insulate Britain of police speaking to one another as protesters block an M25 junction. The protesters, who are demanding Government action on home insulation, partially blocked several junctions on the M25. Picture date: Monday September 13, 2021. PA Photo. Tens of thousands of motorists attempting to use the UK???s busiest motorway faced long delays while activists sat on the road holding banners. See PA story PROTEST M25. Photo credit should read: Insulate Britain/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.