It's the second protest of its kind in the city
It follows the death of George Floyd in the U.S which sparking riots, looting and protests.
Hundreds chanted 'No Peace, No Justice' in solidarity with the 46-year-old who died after being restrained by police officers.
Those in the crowd knelt for eight minutes 46 seconds, which is length of time a police officer was seen kneeling on George Floyd's neck.
Gardaí are in attendance at today's protests and demonstrators are wearing masks.
These protesters have been telling RedFM News why they came out today: