A post-mortem examination carried out to determine what caused the deaths of two people from Frankley in Birmingham has proved inconclusive.
Both deaths are unexplained and more tests will be carried out.
Suzanne Van Hagen and John Morton were found dead by their nine-year-old daughter.
The young girl is now being looked after by family.
Investigations continue. Anyone with information is asked to contact West Midlands Police.
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A minute-by-minute witness account of the battle has been found and entries from the diary will be tweeted in real time on the anniversary.
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Bright and fairly breezy today with sunny spells.