Mr Wiesław, the author of the recording, sent it to kontakt24.tvn24.pl. According to the video, the incident took place on the A4 motorway, near Godzieszów. First, the truck cut off a passenger car, forcing its driver to brake. A moment later, however, he managed to overtake the truck. He then pulled out an object resembling a weapon and pointed it at the truck driver.
The full recording is available at kontakt24.tvn24.pl. The police are expected to investigate the matter.