It is believed the scenes unfolded when two rival gangs involved in a bitter postcode feud clashed. No arrests have been made as yet.
Footage shared by
ends with two police officers picking up debris on the street, including some dropped weapons.
Photos of the arsenal show hammers, a huge iron bar and an axe, all found after the chaos.
A spokesman for the Garda said: “Pearse Street Gardai, as part of Operation Pier, attended a public order incident and seized a number of weapons on Hanover Street shortly after 7pm yesterday evening.
“These weapons included lump hammers, claw hammers, knives, iron bars and a bat.
“No arrests have been made, investigations are ongoing.”