A joint investigation team of Tokyo's Metropolitan Police Department and the Tochigi Prefectural Police on Thursday arrested the eldest daughter of a couple found dead in the town of Nasu in Tochigi Prefecture on suspicion of being involved in killing them.
The investigation team did not disclose whether she admitted to the charge.
She is the seventh person arrested over the murders.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.