Video from protesters on the scene of a vigil at or near the Mobil station was Antonio Martin was shot show at least one arrest. You can also hear a few gunshots in some of the videos.
Per Willis Arnold on scene of the highway shutdown, at least one person was arrested. He says there was something sprayed at protesters, but could not tell exactly what it was.
A quick correction to some of Willis's earlier tweets. Protesters are on Interstate 170 at Airport Rd., near the Boeing facility.