Huge brawl at kids' hockey game in Russia reportedly ends when mothers get involved (w/video)

It seems whenever there's a video circulating on the internet of a fight at a children's hockey game, the origin point is almost always Russia. Such is the case here with video emanating from the city of Novokuznetsk. Not much is known about it. According to Sport-express.ru, there are some reports that people in the stands attempted to get involved. There are also reports that the fight ended when the boys' mothers came to the ice to resolve the conflict. No word on what started the fight. There's also no age group given. The players appear to be in the 10 to 12 years old range.