It was found that Winehouse's alcohol blood levels were five times over the legal drink-driving limit after she had spent three weeks sober - the post-mortem report showed there were no traces of illegal substances found in her body.

Coroner Suzanne Greenway said: "She had consumed sufficient alcohol at 416mg per decilitre [of blood] and the unintended consequence of such potentially fatal levels was her sudden and unexpected death."

The 27-year-old died in her North London home on 23 July ...