Police are searching for a man they say attacked at least one person with a belt last month on an MBTA bus in Cambridge, Massachusetts.

The incident happened on Aug. 16 near Harvard Square, transit police said Friday, sharing photos of the unidentified man.

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Investigators said the man was harassing other patrons and ultimately removed his belt, hitting a victim in the face and neck.

Anyone with information is asked to call 617-222-1050. Callers can remain anonymous, transit police said.

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