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A good ol' fashioned bench-clearing brawl broke out during a charity game between the New York City Police Department and the New York City Fire Department on Sunday, proving that goodwill can indeed come in the form of precisely placed uppercuts.

Deadspin's Samer Kalaf spotted footage of the scary moment when a hockey game ended and a West Side Story scuffle broke out between the city's "finest" and "bravest" at Nassau Coliseum.

Here are just a few snapshots of the fracas, thanks to YouTube (includes NSFW language):

Here is one from Instagram user kconn13 that features someone in the background declaring, "That's what I'm talking about."

Somewhere, Boston Red Sox and New York Yankees fans are shaking their heads and demanding the two sides just hug it out and act like adults.

For the uninitiated, the two sides enjoy quite the heated hockey rivalry. According to Fox Sports, "the annual event has been dominated by the FDNY, who came in to the event with a five-game win streak and a record of 23-15-2 against the NYPD."

Now, because this is hockey and fighting is as welcome as hats tossed out onto the ice after a brilliant display of offense, the game resumed, and the NYPD got its win, 8-5.

Neither the NYPD nor FDNY offered an immediate comment after the skirmish, per Newsday's Laura Figueroa. Luckily, per the New York Post's Larry Celona and David K. Li, nobody was seriously injured.

"It was reminiscent of the old-time Rangers-Flyers games in the mid-’70s," said an NYPD officer, who had been coming to the annual game for 20 years, to the Post. "I was waiting for [legendary Philadelphia Flyers enforcer] Dave Schultz to come out on the ice."

The officer told the paper that he had never seen such a sight.

We can only assume this is how things started:

Some firefighters and cops nursing gnarly bruises will presumably be chewed out for the rare showing on Sunday night.

We expect things to go far more smoothly next year, when the NYPD and FDNY come together for some great hockey and feigned smiles.

Like a volcano, this rivalry just seemed ready to erupt.

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