BROOKLYN, N.Y. (PIX11) — A teacher in Brooklyn was charged with attacking his student, police said.

Marquell Singleton, 30, had a verbal dispute with a 12-year-old student that became physical, according to officials. The city employee allegedly threw the student to the ground, which caused the victim to sustain a head injury.

Singleton was arrested on Monday and was charged with assault and endangering the welfare of a child, authorities said.

Correction: This post has been updated to reflect the correct date of Singleton’s arrest.