KANSAS CITY, Mo. (AP) — Police say they’ve cited a Kansas State student for disorderly conduct after he body-checked a Kansas player during an on-court celebration following the Wildcats’ upset victory Monday over the visiting Jayhawks.

Kansas State police on Wednesday identified Nathan Power as the Wildcats fan who collided with Kansas forward Jamari Traylor after Kansas State’s 70-63 victory over eighth-ranked Kansas.

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University police say a cooperative Power met voluntarily with them Tuesday, after police sought public help in identifying a photograph showing the student who made contact with Traylor.

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Power didn’t immediately respond Wednesday to an Associated Press interview request sent to his student account. A message left at his Kansas City-area home wasn’t immediately returned.

A student identifying himself as Nathan Power also apologized in a letter Wednesday to the university newspaper.

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Copyright 2015 The Associated Press.