There are fears over Olympic security after a known terror suspect entered the Olympic Park five times in a single day.
The British-born jihadist was arrested after breaching an order banning him from the area.
It's raised questions over security just days before the Games are due to begin.
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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.
Reverend Simon Harvey from Islington lost his wife Jennifer to a sudden illness nine weeks ago.