" A Maryland high school teacher is facing assault charges following a violent incident involving a 17-year-old student that was caught on camera, according to Prince George County Police.The altercation, which happened at Largo High School in Upper Marlboro, Maryland, was "very, very disturbing," Police Chief Hank Stawinski said in a news conference Friday. Before the alleged assault, there was physical contact between the teacher and the student, he said."The teacher then engages in a physical assault of that student,". "The nature of that assault was extraordinarily violent, and that conduct is criminal in nature." The teacher was arrested Friday, Stawinski said."I am extremely disappointed by the horrific actions that took place in our classroom today," said Monica Goldson, CEO of Prince George's County Public Schools. we have set high expectations and standards for our staff and students," Goldson said, "and what you saw on that video does not represent the hard work that over 10,000 teachers do every single day."The teacher was identified by police as 36-year-old Vivian Noirie. She faces charges of physical abuse and second-degree assault.Detectives are pursuing charges against the student in the juvenile court system, police said in the statement Saturday. The student was upset that the teacher called her parents the night before and approached the teacher, police said."During that encounter, the student admits to stepping on the teacher's foot and bumping into the teacher with her shoulder," the statement said. "The teacher then repeatedly struck the student."After the two were separated, "the student grabbed the teacher from behind and repeatedly struck her before once again being separated."Description Source: CNNPolice presser about the incident:Vivian Noirie, 36