Debra Hockley Good grief what next?? Talk about a NANNY STATE! Leave them alone they're not hurting anyone!
Michelle Smart Harper I smoke a e fag and they give off vapour not smoke! This is silly!
More top news
Live updates from our team of producer and reporters via the ITV London Facebook page.
Mayor Sadiq Khan urged Londoners to join him at 6pm in Trafalgar Square.
Pictures of today's events unfolding following a major security incident at the Houses of Parliament.