Sky News looks at Rob Blackie's background and campaign priorities as he seeks to replace Sadiq Khan
At the London Liberal Democrats manifesto launch, Rob Blackie pledges to make fixing the Met his number one priority.
Recent developments have occured for new housing, arts studios, a nursery and a retirement home at the site.
Councillor Caldwell and the Lib Dems have secured an investigation into the rise in traffic on Easter Road, Albert Street, Brunswick Road and Dalmeny Street.
Cross-party councillors have backed the Lib Dems' calls for Leith Walk's narrowest pavements to be re-assessed.
On the floor of the House of Commons this afternoon, South Lakes MP Tim Farron encouraged ministers in the Department for Education to support his bill which would give every school pupil in England an outdoor education experience.