The Ukrainian military, after a break, has resumed attacks against Russian refineries using unmanned aerial vehicles, Deputy Prime Minister Alexander Novak said. "Yes, today [October 30] there was another attack on Russian refineries, against four processing plants. More precisely, three refineries and a gasochemical complex. One of the factories suffered minor damage, but in general, our defense system, anti-aircraft defense, worked," he announced. Also, the senior stated that companies take measures to protect themselves.