Chancellor George Osborne and London Mayor Boris Johnson were at a former gasworks which has been deserted for 40 years to launch the scheme. They say the site in Tottenham can now be built on after they removed planning restrictions to get more homes built quickly.
Fifty thousand new homes will be built, 40% of which will be affordable, housing 250,000 people.
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A retired judge will lead the public inquiry into the Grenfell Tower disaster, the Prime Minister has confirmed.
They tried to drive off, pursued by the suspect on foot, before their car crashed into a fence.
"Three were standing together almost shoulder-to-shoulder in like a little wolf pack and they're staring at me...", said PC Wayne Marques.