After the bodies of four people were found in a residential building in the Mittelbach district of Chemnitz on Easter Monday, the investigation is ongoing.
"Now we have to find out exactly how the four died," said a spokesman for the Chemnitz public prosecutor's office on Wednesday.
Stephen Locke
Correspondent for Saxony and Thuringia based in Dresden.
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The dead are two men aged 32 and 72 and two women aged 34 and 69.
The authority did not initially disclose any further details, such as the relationship between them.
According to media reports, all four died violently.
Accordingly, the older of the two men first killed the other three and then himself.
A child who had lived with the two younger victims was rescued alive.
Nothing is known about the motive so far.
So far there is no evidence that other people were involved in the crime.
According to the police, all four of those killed lived in the house.
On the evening of Easter Monday, there was a large-scale operation by the fire brigade, police and rescue workers at the house.