The other students in the classroom helped avert a tragedy.
An unidentified 15-year old high school student from Knoxville, Tennessee was arrested after attempting to set his teacher, 23-year old Gabriela Penalba, on fire.
When the teacher turned her back the boy used a lighter to set her hair and shirt on fire.
According to Opposing Views, other students in the classroom helped the teacher to put out the fire before she could be burned.
The boy threw the lighter out of the window and ran from the classroom, but police managed to catch up with him and arrest him.