Writes about it Politico.
According to the publication, Ukrainians transport goods within Poland itself and are engaged in transportation from it to third countries.
"This is a spontaneous action, people just decided that they had enough," said Maciej Wroński, president of the Polish industry organization Transport i Logistyka Polska.
Earlier it became known that Polish carriers began blocking automobile checkpoints on the border with Ukraine.
Later, Ukraine's ambassador to Poland, Vasyl Zvarych, called the move a stab in Ukraine's back.