It looked like there was just as much fighting in the stands as there was on the ice during Game 6 between the New York Rangers and Philadelphia Flyers. On Tuesday night, a brawl broke out between Flyers and Rangers fans at the Wells Fargo Center and a couple of videos were posted to YouTube.
According to the description accompanied with the first clip, ushers had told some Rangers fans to leave for their own safety. Needless to say, they didn't leave.
Here's another angle.