The mother of a ten-year-old girl who died after suspected domestic violence has reportedly told police that she did not allow her daughter to leave their home for a month under her husband's instruction.
Mia Kurihara was found dead in her home in Noda city, Chiba Prefecture, near Tokyo, last month. Police arrested her father Yuichiro Kurihara last month on suspicion of inflicting injuries that led to Mia's death. Her mother Nagisa was also arrested on Monday.
Japan's transport ministry says knives and scissors that are not properly covered will be banned on all trains from next April.
The ministry's decision follows a deadly knife attack in June on a Shinkansen bullet train near Tokyo. A 22-year-old man stabbed another passenger to death and injured 2 others.