Police have tonight bailed the father of a 6 year old girl who was arrested in connection with her death at her family home in South London.
Ellie Butler collapsed in Sutton on Monday - a post mortem examination has revealed she died from a head injury.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.