BOSTON (CBS) – A police officer was working crowd control was injured during the post-game celebration outside the Garden Friday night.

Boston Police Commissioner Ed Davis says the officer was sprayed with either mace or pepper spray.

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He wasn’t sure if the spray came from a fan or from one of the other officers.

That officer was expected to be fine.

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For the most part, the Bruins celebrations stayed under control.

WBZ-TV witnessed one altercation where officers were seen taking the parties involved into custody. It’s unclear at this point whether those fans were arrested.

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Boston police tell CBSBoston.com that they made two arrests throughout the course of the night, one for disorderly conduct and a second for resisting arrest and assault and battery on an officer.