The Mayor will be trying out the new east London Overground extension this morning.
The new line from Clapham Junction to Surrey Quays, marks the completion of a £1.5 billion project to create an orbital service circling the whole of the capital.
More top news
A woman who radically overhauled her diet to cure a rare disorder she suffers from has become the fastest selling food author ever.
Singer, guitarist and pianist Joan Armatrading will be in London next month for the climax of her final world tour.
The man identified as the Islamic State militant known as "Jihadi John" was a "popular" schoolboy who loved Manchester Utd and S Club 7.