1 / 8Hundreds of mourners joined an emotional memorial service in Minneapolis Thursday for George Floyd, the black man killed by police last week, as civil rights leader Al Sharpton vowed mass protests will continue until 'we change the whole system of justice' in the United States. (AP Photo/Julio Cortez)2 / 8Police officers including Minneapolis Police Chief Medaria Arradondo, foreground, take a knee as the body of George Floyd arrives before his memorial services on Thursday, June 4, 2020 in Minneapolis. (AP Photo/Julio Cortez) 3 / 8In Minneapolis, Floyd's attorney told mourners he would find justice for the 46-year-old, who died during a May 25 arrest when a white police officer knelt on his neck for nearly nine minutes. (AP Photo/Julio Cortez)4 / 8In Minneapolis, Floyd's attorney told mourners he would find justice for the 46-year-old, who died during a May 25 arrest when a white police officer knelt on his neck for nearly nine minutes. (AP Photo/Julio Cortez)5 / 8The crowd stood in silence for eight minutes and 46 seconds -- the same length of time that officer Derek Chauvin spent with his knee on Floyd's neck, a scene captured on video. (AP Photo/Julio Cortez)6 / 8Rev. Jesse Jackson mingles with others in the Frank J. Lindquist Sanctuary at North Central University Thursday, June 4, 2020, before a memorial service for George Floyd in Minneapolis. (AP Photo/Julio Cortez)7 / 8Amy Klobuchar, D-Minn center sits among guests at North Central University Thursday, June 4, 2020, before a memorial service for George Floyd in Minneapolis. (AP Photo/Julio Cortez)8 / 8Celebs like Kevin Hart, Tiffany Haddish, rappers Ludacris and T.I, Master P and film producer Will Packer had attended the ceremony. It was held at North Central University and several other politicians had also attended the service. The congregation wore masks as they stood silently to honour Floyd. (AP Photo/Julio Cortez)