A man has raped his wife to death at Erap residential area in Yei town on Wednesday, a police officer said on Thursday.
The police officer, who preferred anonymity, told Radio Tamazuj that the circumstances under which the incident took place remains unclear, but investigations are underway.
The perpetrator was only identified as Hakim.
Doctors at Yei Civil Hospital could not immediately be reached for comment.
South Sudan has been in the spotlight in recent years over incidents of sexual violence against women.