Police investigating the deaths of a couple found dead in a bedroom in Frankley, near Birmingham believe they died of accidental overdoses.
Suzanne Van Hagen aged 34 and John Worton aged 37 were found dead by their 9-year-old daughter on 8th February.
Initial post mortem examinations were inconclusive but further toxicology reports have shown that they both died of what is believed to be an accidental overdose of Class A amphetamine.
The case will now be passed to the coroner.
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The woman was arrested after police found the body of an elderly woman on Sunday (22 October).
Cloudy with outbreaks of rain across the region this morning but will brighten up in the afternoon, leading to sunny spells.
A cloudy, damp and breezy start to the day but will slowly brighten up as the day goes on.