Mayor of London Boris Johnson says the fourth plinth has become an important part of London's art scene:
"I am immensely proud to support the Fourth Plinth, which has become a must-see cultural attraction for London, one that underpins the capital's status as a great world city for art. Just a few minutes walk away from Trafalgar Square itself, this exhibition promises a fascinating journey through the work of some of the best international artists working today."
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The pub owner said the sign is a nod at having a bit of fun in support of them and celebrating their relationship and the wedding.
A 61-year-old woman was taken to hospital with head injuries after the incident in Islington, north London.
Assema Kedir Habib spoke at the commemoration of her brother Hashim Kedir and his family.