A Western Australian man has been sentenced to prison for the death of a 75-year-old man in Queensland. The incident occurred during a dispute at an apartment complex involving a sex worker. The victim intervened to defend his wife and the sex worker from the offender. The man fatally struck the victim during the altercation. Authorities have confirmed the sentencing, marking the conclusion of the legal proceedings regarding this case. The length of the jail sentence was not specified in the report.