Detective Chief Inspector Paul Fotheringham also disclosed tonight that drugs paraphernalia was seized from the property on the day she was discovered.
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A senior employee at the organisation reportedly derided the three-year-old royal for being 'royal, rich' and "advantaged'.
The company plead guilty to two counts of breaching the Health and Safety at Work Act after the grisly accidents.
In the run-up to the Rio Olympic Games, ITV News speaks to four Olympic hopefuls in Team GB. Today we profile gymnast Claudia Fragapane.