Lib Dem Stephen Knight questions the mayor about the air quality threat to schoolchildren. @itvlondon
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Organisers of a music festival in Upminster have apologised after a long queue to get in turned into a stampede.
The 17-year-old died after a stabbing in a park on March 1.
The run is the inaugural event for the Ruth Strauss Foundation, founded by Strauss in memory of his wife who died last year.