She is suspected to have killed the old woman on Tuesday night.
Following the death, Nyamiyaga sector officials and security officers went to the crime scene and arrested the girl whom they lived together for further investigations on the step mother’s death.
The executive secretary of Nyamiyaga sector, Bayingana Jean Marie Vianney has confirmed the arrest to IGIHE.
“It is true that the woman is suspected to have killed her stepmother. She was arrested and handed to Police for investigations. The woman’s body was taken to Byumba Hospital for postmortem,” he said.
The arrested suspect was the only person living with the deceased woman in the same house.