A Japanese woman being held on suspicion of assaulting her 10-year-old daughter before she died in late January will be served with a fresh arrest warrant over another alleged physical attack, investigative sources said Friday.

Nagisa Kurihara, 32, will be served with a fresh warrant possibly Monday, when her initial detention period ends. The woman, who was first arrested Feb. 4, is newly suspected of failing to stop her 41-year-old husband from abusing their daughter Mia, the sources said.

The husband, Yuichiro Kurihara, was served with a fresh arrest warrant last week for allegedly knocking Mia's face against the bathroom floor and pressing her down at their home in Noda, Chiba Prefecture, probably between Dec. 30 and Jan. 3, according to police. Mia, a fourth-grader in elementary school, is believed to have sustained broken bones.

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(Flowers are left at Mia Kurihara's home near Tokyo)

The girl's death has grabbed headlines in Japan as local welfare authorities have come under criticism over failing to take proper measures to protect her.

Mia was found dead in the bathroom of the family's home near Tokyo on Jan. 24. The father, who is suspected of having splashed Mia with cold water from the shower and grabbing her by the neck, was arrested the following day.

After the initial arrest, the father told investigators he did not believe his actions were wrong, claiming they were meant to "discipline" her, according to the police.

The mother has told investigators she knew of her husband's violence, the police said.