Climate group Insulate Britain blocked the UK’s busiest motorway twice on Wednesday. Activists from the group blocked Junction 3 of the M25 in Kent at around 7.30 a.m. and glued their hands to the road surface, Kent Police said. Eleven people were arrested at the scene on suspicion of obstructing the highway, conspiracy to commit public nuisance, and criminal damage. A few hours later, the group again brought traffic to a halt on M25 by blocking the Swanley roundabout, also in Kent. Police said they arrested 16 protesters at the scene. “All 27 people are currently in police custody,” the force said. Insulate Britain, an offshoot of Extinction Rebellion, has been demanding that the government insulate all homes across the UK to cut carbon emissions. After the group shut down parts of M25 five times in just over a week earlier this month, the government obtained an injunction against the …