Insulate Britain eco-warriors have returned to London’s streets to block up Old Street roundabout at rush hour. Around 20 activists in high-vis jackets were seen walking out to the busy central London gyratory before sitting down and holding up signs. The group were quickly surrounded by dozens of Metropolitan Police officers captured talking to the activists who had superglued their hands to the tarmac. Some were carried off by officers and others led away as police sought to clear the main road.A Met spokesman said: “This is causing an unreasonable disruption to the community. Specialist teams are on scene and working to remove those protesting.”