The woman used a ceramic knife to stab the boy, who was being treated at a hospital.

DEERFIELD TOWNSHIP, Ohio (AP) — A woman stabbed a 3-year-old neighbor as he walked with other children to a school bus, an attack authorities learned of after the woman’s daughter told her teacher that her mother was stabbing someone.

It wasn’t known what prompted the attack, which occurred Thursday in Deerfield Township. Authorities said the child was expected to survive and the woman was in custody, but their names were not released.

READ MORE: COVID-19 In Pennsylvania: State Health Department Reports 4,577 New Coronavirus Cases, 77 More Deaths

The woman’s teenage daughter was home and attending classes online when she told her teacher about the stabbing, according to officials with the Mason City school district. The teacher immediately called 911, and Warren County Sheriff’s deputies soon arrived on scene.

READ MORE: COVID-19 In Pittsburgh: Allegheny Co. Health Dept. Reports 389 New Coronavirus Cases, Increasing County Total To 94,501

The woman used a ceramic knife to stab the boy, who was being treated at a hospital. Details about his injuries were not disclosed.

MORE NEWS: Allegheny Health Network Holding Mass COVID-19 Vaccination Clinic At Pittsburgh Mills Mall

(Copyright 2021 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.)