Mr Blackman added: "Having worked with Susan, I know just how dedicated she is to our suburbs.

"I noticed first-hand how she fought for Harrow residents as council chief, cleansing up the mess of the then earlier Labour administration.

"I know she will bring that energy and grit to City Hall as Mayor when she beats Sadiq Khan too.

"That is why I’m supporting Susan and urge Conservatives throughout London to do the identical."

Ms Hall has also been backed by the Tory leader of Harrow Council, Paul Osborn, who described her as the candidate the Labour incumbent "fears".

Mr Osborn said: "As the one Conservative Leader in London to achieve management of a Council, I consider that Susan is the candidate Khan fears.

"She is the one who can win in May and will make an amazing Mayor of London."

Ms Hall has promised to torpedo Mr Khan's ULEZ growth to outer London with "no ifs, no buts" if her bid to take his job is profitable.

She has additionally vowed to take a tricky stance on crime and improve funding within the Met Police, in addition to constructing "the sort of homes people want" within the capital.

Ms Hall mentioned: "My campaign will bring together grassroots members, councillors, MPs, ministers, and Londoners outside the party behind a set of common sense policies and show Sadiq Khan the strength we will bring to the election.

"In the approaching weeks, I'll set out my imaginative and prescient for the way we beat Sadiq Khan and make London safer."

Ms Hall is amongst plenty of names who've entered the race to develop into the Conservative London mayoral candidate.

The get together will identify its chosen candidate on July 19 giving them 10 months to marketing campaign forward of Londoners taking to the polls in May 2024.