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
The father of teenager Stephen Lawrence - who was murdered by a racist gang in London - has been honoured at Portsmouth University.
The girl, whose drinks stand outside her home was shut down, and her father fined £150, have received offers to set up stalls elsewhere.
Connie Yates and Chris Gard said it was "disgraceful" that doctors treating their critically-ill son have been subjected to abuse.