A Russian rocket attack on an apartment complex on Ukraine’s eastern front killed at least three people and wounded 17 more, the Ukrainian government said Thursday, as Moscow’s war machine makes modest military gains in the region. Video posted on social media showed a skeleton of a building and massive mounds of gray rubble in Kramatorsk, which before the war was home to about 160,000 people. Advertisement The deadly strike occurred Wednesday night in a snowy area some 30 miles from Bakhmut, a small city that the Russian Army is working to seize as the war approaches its second year....