Mayor Wheeler was quoted as saying he didn't see any need for the attack. Portland could hire two off-duty city police officers to stand in front of that building. Goons begone!
Was your video clip authentic? More authentic than this still shot, I hope:
https://god.dailydot.com/trump-ukrai...vNUB0PC9Jc9giM
ETA: There's conjecture that operatives are coming in late every evening to cause trouble and gin up photo ops for Trump's campaign ads. Wouldn't surprise me.