Tokyo: A 16-year-old high school student arrested for allegedly killing a classmate and dismembering her in Sasebo in southwestern Japan, confessed to police that she "wanted to try killing someone", media reported on Tuesday.

Authorities believe the teenager, whose name has not been revealed, struck her classmate, Aiwa Matsuo, on the head and then strangled her. The body was discovered on Sunday morning, partially dismembered and with several cuts, inside the suspect's apartment where she lives alone. Following her arrest, the teenager admitted that she was responsible for the murder and explained that she "wanted to try killing someone", police told state channel NHK.