NEW YORK (CBSNewYork) — The NYPD is looking for a man who was captured on video attacking a child in Brooklyn, apparently for no reason.

The incident happened just after 3 p.m. on Oct. 14 in the Homecrest section of the borough.

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A 12-year-old boy is seen sitting on a curb waiting for a friend when an unknown man approaches him from behind and punches him in the face.

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The blow knocks the boy out — and the attacker walks away.

The child was taken to the hospital with facial fractures, bleeding and bruising, police said.

Anyone with any information is asked to call the NYPD’s Crime Stoppers hotline at 1-800-577-TIPS (8477), or for Spanish, 1-888-57-PISTA (74782). You can also submit a tip via their website or on Twitter, @NYPDTips. All calls are kept confidential.

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