WA man's death sparks murder probe

Homicide detectives are investigating the death of a man east of Perth.

The 76-year-old was found dead at a home on Avon Terrace in York, about 100 kilometres east of the state capital, about 8am today.

Police said a 63-year-old man who knew the dead man was helping them with their inquiries.

Detectives from the homicide squad are involved in the police investigation.