Andrew Sissions from Hackney Council tells ITV London that the properties on Amhurst Road were deemed to be so dangerous that they had to pull people out of a restaurant in the middle of their meals.
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The review will look at how the city would cope if multiple terror attacks were launched.
Eric's been performing his impressive stunts at Clissold Park and even skates the half pipe.
The unusual sight caused quite a stir on Twitter.