Two North London police officers today described how they braved freezing temperatures to rescue a woman trapped in her car in a lake in Totteridge.
PCs Ryan Perry and Marc Cash plunged into the water and smashed one of the vehicle's windows, before pulling the woman to safety.
Paul Brand went to meet them.
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The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.