Could London have a new underground line by 2030? And does it need it?
Plans for a diagonal route from the north east to the south west went on show today, with the catchy title of Crossrail 2.
Our Political Correspondent Simon Harris has more.
More top news
Extra armed police will guard major sporting events in London this weekend after the military was drafted in to protect key locations.
Damon Smith, 20, has been jailed at the Old Bailey for 15 years for planting a home-made bomb on a busy Tube train.
The South East has been basking in sunshine and clear skies for the last few days but it won't last.