Extinction Rebellion protesters have blocked the entrances to a concrete works in east London
The group is outside London Concrete in Bow, where vehicles have been backed up unable to get in due to the activists blocking their way. 
They are protesting the environmental impacts of concrete production, bemoaning its contribution to air pollution in the area. 
Those gathered outside plan to "non-violently disrupt the site" and one said: "We're going to be here all day if we have to be."....................................(comming next update...)