The Duke and Duchess of Cambridge have named their son George Alexander Louis, Kensington Palace said.
More top news
Wealthy businessman Ivan Massow wants to succeed Boris Johnson at City Hall in 2016.
The train which was fitted with sanding equipment but the driver did not activate it until the train was too close to the buffers.
The bridge at Stockley in west London will will connect Heathrow Airport with the main Crossrail line from Reading to Shenfield.