Sydney: A West Australian woman has been charged with raping a nine-year-old boy between October and November last year, the media reported on Tuesday. The 27-year-old was arrested following an investigation by Perth Child Abuse Squad detectives, Xinhua news agency reported. She has been charged with one count of sexual penetration of a child under 13, and one count of threats to injure, endanger or harm a person. Police alleged that the boy was known to the woman. The woman is due to appear in a Perth Court on August 9 to face those charges.