China releases footage of elementary school knife attack

(CNN) -- The man raced toward the school gate, flailing a knife as terrified youngsters scattered.

A little girl raises her arm to try to defend herself but fails. She falls to the ground, losing her pink backpack near the entrance gate.

After a few minutes of horror, the attacker chases other students as they try to flee the school grounds.

By the end of the man's rampage, at least 23 elementary students were wounded, China's state-run Xinhua news agency reported.

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