Warning: Video contains strong language and violence.
A group of allegedly drunken people dressed as Santas engaged in a brawl on the snowy streets of New York City Saturday evening during SantaCon, the annual holiday bar crawl.
See also: 10 Ways to Break the Truth About Christmas to Your Child
SantaCon is notorious for causing citywide rampages as hordes of red-and-white clad St. Nicks — often inebriated ones — leave the comfort of their workshops to spread drunken public cheer.
Chris Lau captured the fight and uploaded it to YouTube under the title of "Santapocolypse." The fight reportedly occurred near Union Square in Manhattan, but details on the cause of the feud remain sketchy. It will be a Christmas miracle if any of these Santas receive anything other than coal in their stockings this year.
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BONUS: 15 SantaCon Photos Showing Off a Jolly Good Time
Instagram user Dimati rides off to the SantaCon festivities via the subway with his elf sidekick.
Santas get rowdy, especially the ones with candy canes.
Mashable's Taylor Casti took part in the SantaCon festivities.
Here's a reindeer and an NYPD cop hanging out at Tompkins Square Park.
The Ev Grieve local East Village blog writes that the NYPD got the "SantaCon memo."
Santas and bearded man (Jesus, perhaps?) run through Tompkins Square Park to start the bar crawl in New York City.
SantaCon participants drinking beers inside a bar in New York's East Village.
It's time for some SantaCon grooving in New York City.
Many Mr. and Mrs. Clauses in the heart of London.
Drinking outside of Saint Paul's Cathedral in central London -- not the most pious behavior.
Open-bottle wine-drinking in front of Saint Paul's Cathedral in London.
Reindeer, Santa and chicken share a drink at London's SantaCon.
Time for a group shot of boozing -- these gals united for a pic in central London.
An artsy shot by Instagram user Stepyuk of the London SantaCon crowds.
Instagram user Fundamentals said "Tonight we took over the streets of London."
Image: Kena Betancur/Getty Images