WA man's death triggers homicide probe

An 18-year-old man is assisting police as part of a homicide investigation into a death near the Western Australian city of Kalgoorlie.

Police were called to a home in the suburb of Boulder just after 10pm on Thursday, where they found the injured 24-year-old man.

He was rushed to hospital via ambulance but died a short time later.

Officers are urging anyone with information to contact Crime Stoppers.