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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Seven people have now been arrested after a man died from serious head injuries
A Metropolitan Police officer has died after collapsing in Trafalgar Square on the way home from a shift
Police are hunting a man suspected of trying to set Finsbury Park Mosque on fire earlier this morning