The Nungua Divisional Police Command has arrested a 32-year-old man. He is accused of defiling his 13-year-old sister.
The incident took place in Nungua. The victim bravely reported the alleged crime to her mother.
Her mother alerted the police, who moved quickly to make the arrest. The suspect is now being held by the Ghana Police Service.
Investigators are gathering evidence and speaking with witnesses.
This case is being treated seriously by law enforcement.
The Ghana Police Service is committed to protecting children.
Further legal proceedings will follow the completion of the investigation.