Three years ago today, George Floyd died aged 46 after being arrested outside a shop in Minnesota. Footage of the arrest, which happened May 25, 2020, showed a white police officer kneeling on Mr Floyd's neck as he was pinned to the ground.
During the encounter, Mr Floyd told officers more than 20 times that he couldn't breathe as he was being restrained.
After being handcuffed and pinned to the ground under the knee of Derek Chauvin for more than nine minutes, Mr Floyd died.