Ukrainian drones hit a major Russian steel factory overnight, causing a large fire, a Kyiv source said on Saturday, on the second anniversary of Russia’s full-scale invasion of Ukraine. The governor of Russia’s Lipetsk region identified the plant as one in the city of Lipetsk, some 400 km (250 miles) north of the Ukrainian border, that is responsible for about 18 percent of Russian steel output. He said a fire apparently caused by a drone strike had been extinguished at the plant, operated by Russian steelmaker Novolipetsk (NLMK), and there had been no casualties. The Ukrainian source told Reuters the...