reports.
The video has been shared thousands of times on social media.
Users claim the fight broke out after a pregnant woman complained the men were smoking in her face while sat outside a restaurant.
Another alleges they were "harassing her" at her table at Boeuf steakhouse.
Police said three people were arrested - one in their late teens and two in their early 20s - after the scrap on South William Street at about 9.30pm.
KARATE KICK
A Gardaí spokesperson told The Sun Online: "Gardaí investigating the incident that occurred on South William Street, Dublin 2 on Thursday night 17th June, 2021 have charged the three men arrested.
"The three men appeared Friday 18th June, 2021, before Criminal Courts of Justice charged in relation to the incident.
"Investigations are ongoing."
Another massive brawl broke out in Dublin earlier this week that escalated to a car windscreen being kicked in.
Police rushed to the scene on North Circular Road in Summerhill in the early hours of June 15.
One onlooker said: "It was crazy, they just started brawling on the street and then more people arrived and got involved.
"I've no idea what it was about, it just seemed to kick off suddenly and then when it looked like calming down, one of the guys jumped up on the bonnet of the car and kicked in the windscreen.
"They caused a lot of damage to the car."
'Massive scrap breaks out in Dublin's inner city that ends with car windscreen getting kicked in