One thousand officers a day will be on duty during the Olympics in the biggest safety operation Transport Police in the south have ever staged.
Click below for the full report from our Transport Correspondent, Mike Pearse
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People travelling into the capital have been getting off a stop early to walk together in remembrance of the victims of the 7/7 bombings.
Paul Dadge become the unwitting face of the 7/7 rescue effort after a picture of him helping a woman in the aftermath went around the world.
A list of commemorative events as the UK marks a decade to the day 52 were killed and hundreds injured in London terror attacks.