Overview

• The woman was discovered unresponsive at about 8.45 pm on Monday after a man in an agitated state dialed triple-zero.
• Paramedics waited for police before entering the demountable and attempted to revive the 18-year-old, who was pronounced dead at the scene.
• Detectives have launched a homicide investigation and forensic officers are scouring the recently installed structure for evidence.
• A young baby was found unharmed inside the home and is now in protective custody while authorities probe the circumstances.
• Residents of the remote Wheatbelt town of Calingiri say they were unaware of any disturbances at the new Harrington Street property.