Boris Johnson has called again for lorries to be made safer, after a cyclist died in a collision with one during this morning's rush hour.
The woman was pronounced dead at the scene in Victoria.
Rags Martel reports.
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The memorial will focus on remembering the 71 victims of the tower block fire.
A woman died as she crossed the road when she was struck by four separate motorists who police believe did not stop.
Patrols including local volunteers have been set up after the grisly finds in Thamesmead in the last month.