BALTIMORE (WJZ)—More than half of the charges are dropped against the suspects accused in a brutal attack on a Baltimore tourist.

Baltimore police arrested four young people in the attack of an intoxicated tourist outside the courthouse in downtown Baltimore on St. Patrick’s Day.

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Records show prosecutors have now removed 13 of the 24 charges against the suspect, including first-degree assault. So far it’s unclear why the State’s Attorney’s Office made the decision.

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The victim–a man from Alexandria, Va.–was robbed, stripped of his clothing and left unconscious in the street. The beating was videotaped and widely viewed online.

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Three of the defendants will be in court next week.