Hyogo prefectural police have arrested a 79-year-old man on suspicion of sexual assault after he drugged a female caregiver with sleeping pills at his home.

According to police, the suspect, identified as Yuji Morioka, a resident of Kobe City, is accused of mixed sleeping pills in soup before offering it to a 38-year-old caregiver who was visiting his home between 11:10 a.m. and 1 p.m. on Dec 17, Fuji TV reported.

Police said Morioka has admitted to groping the woman who remained unconscious for about two hours. Police said she suffered no physical injuries.

The woman felt something strange had happened when she awoke and contacted police the next day. She usually visited Morioka’s home twice a week.

© Japan Today