A shocking video has emerged showing groups of men confronting each other with weapons in broad daylight.
The footage, which was taken in Ballymun on Tuesday, shows two men standing on the road before another large group approach them.
One man in green is then seen with a blade in his hand while talking to a motorist.
The car then drives away and the group get closer to the two men.
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The man in green then throws something at the gang before one runs at him with what appears to be a large machete.
Others can be seen holding golf clubs as someone shouts "I'll butcher you".
The group go back and forth at the man in the green before they eventually leave the scene.
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A garda spokesperson said they had no record of the incident and advised people who believe a crime was committed to report it to their local station.
They said: "We advise all persons who believe a crime has occurred to report it to their local Garda Station."
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