DETECTIVES have cordoned off a suburban Ipswich home after a 32-year-old mother of two was found dead.
Police said the woman's 11-year-old son rang 000 after finding his mother unconscious in the house on Fernvale Rd, Brassall.
When paramedics arrived a short time later, the boy was performing CPR in a frantic attempt to save his mother's life.
Ambulance officers then unsuccessfully tried to revive the woman.
They transported her to Ipswich Hospital, where she was pronounced dead.
It is believed the woman's death was related to the use of illicit drugs.
Police have placed the house under guard as their investigations continue.
Ipswich Acting Detective Senior Sergeant Dave Tolsher said the woman's husband, a 61-year-old man, was assisting with police inquiries but had not been charged with any offence.
"Police are still attempting to piece together the events that led to this woman being located deceased," Snr Sgt Tolsher said.
"The deceased's husband is still being questioned by police and is assisting with inquiries into what took place."
Police said the woman's other son, aged 6, was also in the house at the time of the tragedy in the early hours of Monday.
A post-mortem examination was conducted yesterday in an effort to establish the cause of death.
However, the initial test results were inconclusive, meaning police will have to wait for the results of toxicology testing.
Police indicated this process would be given high priority but it could take several weeks.