YOKOHAMA - A 19-year-old man was arrested Thursday on suspicion of killing a high school girl who was found lying on a riverbank near Tokyo early in the morning and was later confirmed dead.

The man, a resident of Sagamihara in Kanagawa Prefecture, is believed to be a former boyfriend of the 17-year-old girl, Yura Sato, and police are investigating the circumstances surrounding her death.

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