MOSCOW, October 30. /TASS/. Ukraine has resumed drone attacks on Russian oil refineries following a pause, with three refineries and a gas chemical complex targeted on Friday, Russian Deputy Prime Minister Alexander Novak told reporters.

"Yes, another attack on Russian oil refineries took place today. Four processing facilities were targeted - three oil refineries and a gas chemical complex. One of the facilities sustained minor damage but overall, our air defenses and protection systems worked," he said.

"There was a pause but attacks resumed today, and our facilities are working to ensure protection," the deputy prime minister added.