London air pollution activists 'prepared to go to prison' to force action

Group of campaigners arrested after spray painting mayor's offices as part of a series of direct action protests over of the capital's illegal air pollution

Air pollution protesters say they are prepared to go to prison as they step up their campaign against the poisonous air that kills tens of thousands of people in the UK each year.

A group of campaigners including pensioners and young parents, were arrested on Monday after targeting the offices of London mayor Sadiq Khan, spraying slogans on the walls calling for tougher action on air pollution.