A 16-year-old girl in Kyotanabe, Kyoto Prefecture in Japan was arrested after she admitted killing her father with an axe while he slept, Japan Times reported.

According to police the girl, a vocational school student, said “I killed my dad, because I did not like him."

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The 45-year-old man, a police officer at Minami Police Station, was found in his bedroom with axe wounds to his neck after the mother and 19-year-old sister were woken by the girl covered in blood, police said.

Police reported the axe had a blade about 30 cm long.

An autopsy was planned to confirm the cause of death, police said.