MINNEAPOLIS (WCCO) — A student has been taken hospitalized after being attacked by a suspect with a knife on a Robbinsdale Cooper school bus Tuesday, according to a school official.

Robbinsdale Area Schools spokeswoman Latisha Gray says the fight occurred on a bus as students were being dismissed. The victim was injured by a knife and then taken to the hospital.

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New Hope police said school resource officers stopped the attack and took three people into custody.

The Robbinsdale school district said the victim wasn’t enrolled at Robbinsdale Cooper.

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The extent of the student’s injury is unknown but believed to be non-life threatening.

It’s unclear if the suspects are students or not.

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“We are committed to a safe learning environment for all of our students,” Robbinsdale Cooper’s principal, Frank Herman, wrote in a message sent home to families Tuesday. “School will resume as normal tomorrow.”