With new supplies from Russia, Soviet troops were able to build a bridge across the Danube, allowing them to march into Austria. The Kaiser, Karl I was in Vienna when he heard that Bruck, a small town on the road to Vienna had fallen. The Kaiser fled with is troops to join the core of the Army in the mountains. By March, the Soviet commander, General Joseph Stalin, was enjoying himself in Schobrunn. With most of Austria still fighting, Stalin did not have time to enjoy himself. He set his troops back on the road, across the Semmering Pass in the Alps to Klagenfurt. His troops crossed into the Tirol, where the Austrian Kaiser Jager Alpine troops were waiting for the Soviets. In the high Dolomites, the Soviet troops, inexperienced to high mountains were suffering defeat after defeat. Stalin