Security expert Will Geddes says that the public shouldn't be too alarmed by the fact that a known terror suspect has entered the Olympic Park.
Instead, he says we should take comfort from the fact that the security services were able to track his movements.
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It is the fourth time in five years that the London borough has topped the rankings, according to data from the ONS.
Catherine Burke's body was discovered at a house in a quiet street in Muswell Hill last Thursday evening.
Residents said living next to the 40 foot high stinking mound was a 'living nightmare'.