(NEWSER) – A 21-year-old martial arts instructor was arrested Wednesday and charged with felony child abuse after knocking a 5-year-old student unconscious, the Washington Post reports. Justin Branick was teaching a taekwondo class at Virginia's Tiger Martial Arts Academy on Tuesday when he got mad at the boy for an unknown reason.

According to NBC News, police say Branick grabbed the boy by the ankle and threw him over his shoulder. The boy lost consciousness when he hit the ground. The boy was hospitalized with "serious injuries." Branick was arrested after a coworker called police the day after the incident, the Post reports. According to Inside NoVA, Branick has been released on a $5,000 bond.

Photo: Prince William County Police

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