Ukrainian forces ramped up their attacks on Russian-held territory in the south while holding off Moscow’s assaults on the eastern town of Avdiivka, according to military experts and officials. The Ukrainian military broke through the enemy lines after intensified assaults across the Dnipro River, near the southern city of Kherson. “Ukrainian actions appear to be larger than previously observed tactical raids,” the think tank Institute for the Study of War said in a report. In the town of Avdiivka, just nine miles from the Moscow-controlled city of Donetsk in eastern Ukraine, Kyiv’s forces managed to repel and hold their ground...