A video shows protesters throwing cement bricks at cops on Saturday during the “No Kings” rally in Los Angeles . The video — shared by Andy Ngo, a conservative media influencer — shows two men wearing masks, one of whom was carrying the flag of Mexico, breaking a large cement pole into smaller pieces and hurling it at LAPD officers who were controlling the crowd in front of the detention center near the federal building. The unrest in Los Angeles was part of a series of nationwide