More from our Political Correspondent Simon Harris, who is at a meeting of the London Legacy Development Corporation.
Boris Johnson tells board the park re-opening has "got to go off with a massive bang". @londontonight
LLDC is considering a QEOP membership scheme with loyalty cards allowing venue users to make priority bookings. @londontonight
More top news
The Blackwall Tunnel in south-east London has re-opened this morning after a 20 hour closure that caused travel mayhem.
One of the teenagers was left so badly burnt doctors say he may lose his eyesight.
Jame Murray's challenge is to deliver Mr Khan's manifesto pledge to build more than 50,000 new homes a year - half of them affordable.