At thread about it at r/50501 - ?? what’s going on : 50501
A reply
The story is that there were two pistol armed peacekeepers in reflective vests standing by. They saw the suspect go behind a wall to retrieve a rifle. They confronted him, then he pointed his rifle and started to run towards the crowd. One peacekeeper opened fire on him. He shot 3 rounds. One struck the suspect, one struck and killed the protester.
The suspect fled and attempted to hide amongst protesters sheltering in place by a building, but one of the protesters recalled seeing a rifle stock in the suspect’s backpack during an earlier interaction with him. This protester snatched the backpack and called the police over, where he was arrested.