Roundabouts blocked near Heathrow and Brent Cross as climate activists stage 10th day of protests
The climate campaign group Insulate Britain is staging its 10th day of protests in the past three weeks.
The organisation said about 30 of its activists have blocked roundabouts at junction 3 of the M4 near Heathrow airport, west London, and junction 1 of the M1 at Brent Cross, north London.
