They used less than lethal projectiles to enforce the curfew Gov Walz imposed to try to stop the BLM riots.
https://youtu.be/LozQg0oX-Gw
https://www.kare11.com/article/news/local/advocates-want-officers-charged-in-stallings-arrest/89-ba2020cd-8d9a-4cd3-815e-01f2b428f14c