insulate britain
Home secretary and Labour opponent clash over the true definition of "coalition of chaos".
Presenter Mike Graham argued that it's possible to "grow" concrete in a bewildering exchange with an Insulate Britain spokesperson.
Commentator says his words were taken out of context after rant at climate group Insulate Britain.
Police say Insulate Britain protestors likely to cause "serious injury or death".
Demonstrators caused major delays and frustrated drivers keen to get to work during rush hour.