A woman has been arrested on suspicion of manslaughter following the death of a newborn baby in Swindon.
Emergency services were called to a residential address in Holbein Close, Grange Park, in the early hours of Monday.
Wiltshire Police has arrested a woman in her 30s on suspicion of manslaughter and she is being held in custody.
Police said the death of the child is still being treated as unexplained.
A post-mortem is due to take place on Monday.
Police have not revealed whether the baby was a boy or a girl.
Detective Inspector Simon Childe said: “This is a complex investigation into the very tragic death of a newborn baby.
“At this very early stage, although we have made an arrest, we are treating the death as unexplained and await the results of a post-mortem examination next week.”