On September 17, after Vasily Chuikov's 4th Army received the order to cross the Polish border, its 29th Tank Brigade, led by Kombrig Semyon Krivoshein, entered the town of Baranowicze.[1] After taking the town and capturing a few thousand Polish soldiers, who were stationed there, his units kept on moving westward and reached the village of Prużany on 19 September.[4]