Key developments on Feb. 6: Zelensky: Ukrainian military to create separate branch dedicated to dronesSBU uncovers alleged Russian spy network, including Ukrainian intelligence officersRussian media: Output of Russian oil refineries drops by 4% following drone attacksDefense Ministry: Ukrainian special forces capture Russian equipment from Black Sea drilling platformOfficial: Situation in Avdiivka becomes ‘critical in some places’President Volodymyr Zelensky signed a decree creating a separate branch of Ukraine’s Armed Forces dedicated to drones, he said in his evening address on Feb. 6. The U…