Queensland police are investigating the sudden death of a woman who was found unconscious at a home in Brisbane's bayside region.
Police said they were called to a property on Swan St in Capalaba at about 7.30pm on Saturday to conduct a welfare check.
They found a woman in her 50s who was unresponsive and she was declared dead at the site.
A crime scene was established and detectives launched an investigation into the circumstances surrounding the death.
Police said a 42-year-old man was helping officers with their investigation.