(01 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya leave after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth TPX IMAGES OF THE DAY (credit:Stefan Wermuth / Reuters)
(02 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya leave after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:Stefan Wermuth / Reuters)
(03 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya arrive to cast their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:Stefan Wermuth / Reuters)
(04 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya leave after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:XXSTRINGERXX xxxxx / Reuters)
(05 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya pose for photographers after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:XXSTRINGERXX xxxxx / Reuters)
(06 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya arrive to cast their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:XXSTRINGERXX xxxxx / Reuters)
(07 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya arrive to cast their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:XXSTRINGERXX xxxxx / Reuters)
(08 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya arrive to cast their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:Stefan Wermuth / Reuters)
(09 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya pose for photographers after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:XXSTRINGERXX xxxxx / Reuters)
(10 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya pose for photographers after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:Stefan Wermuth / Reuters)
(11 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London and his wife Saadiya pose for photographers after casting their votes for the London mayoral elections at a polling station in south London Britain May 5, 2016. REUTERS/Stefan Wermuth (credit:Stefan Wermuth / Reuters)
(12 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, speaks to supporters at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:XXSTRINGERXX xxxxx / Reuters)
(13 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, speaks to supporters at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:Paul Hackett / Reuters)
(14 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, poses for a selfie with supporters at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:Paul Hackett / Reuters)
(15 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, speaks to supporters at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:Paul Hackett / Reuters)
(16 of18)
Open Image ModalSupporters of Sadiq Khan, Britain\'s Labour Party candidate for Mayor of London, gather at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:Paul Hackett / Reuters)
(17 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, speaks to the media at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:XXSTRINGERXX xxxxx / Reuters)
(18 of18)
Open Image ModalSadiq Khan, Britain\'s Labour Party candidate for Mayor of London, speaks to the media at Canary Wharf in London, Britain May 4, 2016. REUTERS/Paul Hackett (credit:Paul Hackett / Reuters)