Welsh and English football fans in Tenerife clashed on Friday night in a brutal street fight.
Footage shows dozens of people embroiled in a melee on a street which appears to be outside O’Neill's and Revolution bars in the Las Americas resort on the Canary Island.
Barstools were repeatedly thrown into groups of people, while pushing and shoving also led to several men in red and white football shirts tumbling to the ground.
One man fell amid the scuffle and was then kicked repeatedly on the ground by another reveller.
The fighting is believed to have occurred after England and the USA drew 0-0 on Monday night. Wales and England will play each other in the final group stage game on Tuesday.
A win or a draw will be enough for England to make it through to the last sixteen whereas Wales need to beat England and also hope for a draw between the United States and Iran.
Nationalistic tribalism took over in the bars of Tenerife with footage showing fists flying and limbs flailing as men in white England tops brawl with men in red Welsh football tops.
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One topless and tattooed man in chino shorts and a fanny pack rocked a fellow reveller with a flurry of jabs before launching one of the chairs at his backside.
The same discarded stool was then sent back with gusto, hitting another person on the head.
Also amid the carnage of bucket hats, strobe lights and disco music were flying kicks, Russian-style squat dancing and flying beer bottles.
Many British fans have flocked to Tenerife for the World Cup to enjoy the warm weather and alcohol, avoiding Qatar's strict rules and high prices.
Hooliganism and violence have marred celebrations of England Men’s football team at major tournaments in recent years.
The Euro 2020 final was tarnished by thousands of fans breaking into Wembley for the final between England and Italy, with an independent review calling it a “day of national shame” that could have led to fatalities.
UEFA implemented a one-match ban on home fans against England and gave the FA a £84,500 fine.