Boris Johnson has provoked a bitter row over affordable housing after unveiling plans for a luxury floating village. The London mayor described the development in the Royal docks as a new 'Venice of the North'.
But Newham Council said the designer homes would be too expensive for local people.
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Rail union RMT have slammed the move saying the company MTR is set to make "a killing at the British taxpayers' expense".
The meeting was arranged in the wake of Wednesday's terrorist murder of four people in Westminster.
Dozens of women gathered on Westminster Bridge to form a human chain in a show of solidarity with the victims of Wednesday's terror attack.