Plans for a four-day football festival this summer have been unveiled.
The UEFA Champions Festival will take place between 23 and 26 May at the International Quarter - next to the Olympic Park in Stratford.
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Several passers-by can be seen apparently reacting to the incident in the footage.
Victims ranging from age three to 60 will be remembered as part of six special hearings dedicated to those who lost their lives.
"I do not accept the allegation that I have brought the Labour Party into disrepute", said Livingstone.