Find out what we're doing where you live and work Your postcode Leave this field blank What we do Arts and culture Housing and land Policing and crime Environment Business and economy Planning Regeneration Transport Education and youth Volunteering Sports Health Research and analysis Communities Funding News Standing together against this attack on democracy A candlelit vigil in Trafalgar Square tonight will show our solidarity and defiance, and that we will never be cowed. Our events Fourth Plinth Shortlist Exhibition Thursday 19 January 2017 - Sunday 26 March 2017 JB Vallely & Lorcan Vallely Exhibition Monday 13 March 2017 - Friday 31 March 2017 Air Quality and Hydrogen Exhibition Tuesday 14 March 2017 - Friday 31 March 2017 Full events calendar Mayor and Assembly Mayor of London - Sadiq Khan About the Mayor London Assembly About the Assembly Latest news Westminster statement The Mayor of London, Sadiq Khan, has made a statement on the serious incident near to Parliament Square. Have your say Join Talk London, our forum of Londoners discussing how we can improve our city. Working on the Fourth Plinth programme Jo is Visual Arts Project Manager for the Fourth Plinth. In this blog she shares what she enjoys most about her job. City Hall blog Get the inside track on our work, read stories from guest bloggers and much more.