Under the proposals London would be given complete control over property taxes, including council tax, stamp duty and business rates. The London Finance Commission report also recommended giving the city the power to introduce new taxes, such as a levy on tourists, and greater freedom to borrow.
Mr Johnson said there was an "acute need for London to be able to better plan and finance the infrastructure needed to prosper and maintain a great quality of life, in the face of a decade of expansion".
More top news
The Apprentice boss tweeted a picture of the sports team, which had been edited to include a picture of handbags and sunglasses.
The 23-year-old, from Enfield, north London, has been released by police under investigation.
The odds of seeing one are just one in 100,000.