'The Government cannot afford to allow an often marginalised part of society to be disadvantaged further.'
Spectators were seen burning banners and using 'misogynistic, homophobic and racist' language.
'They were stuck up there for more than two hours before they were brought back down'.
'She was so distraught by what happened that she is still crying about it the following morning.'
Experts say air pollution is 'wreaking havoc on human health'.