Our Political Correspondent Simon Harris is tweeting from a meeting of the London Legacy Development Corporation.
LLDC chief exec Dennis Hone says north park will re-open on July 27th, one year after the opening ceremony. @londontonight
Hone claims the Olympic Park handover and transformation is "going incredibly smoothly". @londontonight
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Official readings are recorded three metres in the air but a study found levels of nitrogen dioxide (NO2) were higher at pushchair level.
Tubes, trains, trams, buses, cable cars, river buses, taxis and going by foot - your guide to getting around during the strike.
Union officials rejected a revised offer from Underground managers during a meeting at the conciliation service ACAS this afternoon.