I'm a little out of the loop, posting from the Sunshine state on dialup wi-fi

MAC-10 "Assault Weapon" Fired by Black Lives Matter Protester in Chicago Streets

A UIC #TrumpRally protester posted a video of himself on Twitter shooting a MAC 10 semi-automatic "assault weapon" (or an Uzi) into the air in Chicago to celebrate the event being canceled. He tweeted the hashtag #BlackLivesMatter along with the video.