London Fire Brigade has warned residents near the Docklands not to be alarmed by the number of response teams in the area, as part of it's largest ever training exercise. Two hundred and twenty emergency services teams are there to test the response to an air crash.
The scene has been simulated with a real Boeing 737 aircraft, buried in tonnes of rubble. One hundred actors are playing the part of casualties.
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"I do not accept the allegation that I have brought the Labour Party into disrepute", said Livingstone.
Family and friends of the victims of Grenfell Tower have been paying tribute to those who perished in the disaster.
The balmy conditions have swept in on a high pressure system, dragging in hot air from the continent, according to the Met Office.