Mayor Boris Johnson has asked Thames Water bosses to an Olympic summit.
It follows two days of chaos on the caused by a burst water main.
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The twins cubs, which were born in June, have been named Bert and Ernie after characters from Sesame Street.
The two victims died from their injuries in hospital after the explosion in Hertfordshire.
Investigations are continuing into the cause of the crash in chigwell which killed both people on board.