Nepoleon stopped such riots with “A whiff of grapeshot”.
The “mostly peaceful riots” were more peaceful than this. A “whiff of grapeshot” against teenagers could become a replay of the George Floyd riots.
Water cannons, an Israeli crowd control method known as “the skunk,” a small drone that flies overhead and sprays an odiferous substance over the rioters that causes nausea and repulsive smells, or piercing sound shock waves, would be more effective. The Havana Syndrome Lite might also work.
Great Minds Think Alike. See the link at post 68.