M25 climate protest: Aerials show long traffic queues as junctions blocked
Climate change protesters have blocked some M25 junctions demanding government action on home insulation.
Footage filmed from a helicopter shows long queues of traffic on Monday morning.
Police said a number of arrests had been made, but protest group Insulate Britain insisted that action would go on until a "meaningful commitment" was made.
Read more: Campaigners block M25 junctions in climate protest