Polish border force 🇵🇱 published a video where military vehicles on the Belarussian 🇧🇾 side of the border bring groups of migrants and instruct them to go in specific directions.
https://twitter.com/Straz_Graniczna/status/1435917326533156868?s=20
You're absolutely right. Unfortunately, my instance has problems with media uploads which was the sole reason for linking the video.