After crossing the Warthe River, Soviet troops expanded their bridgehead to 160 miles wide and 100 miles deep, causing the Germans to evacuate Warsaw, Poland (which would soon be occupied by Soviet forces) and Chelmno Extermination Camp; on the same day, Soviet forces also captured Kielce. Angry at the abandonment of Warsaw, Adolf Hitler sacked General Smilo von Lüttwitz and General Walter Fries. Meanwhile, Soviet Marshal Ivan Konev received orders to move toward the Upper Silesia region