Key developments on Oct. 7: Russian Baltic Sea Fleet vessel out of action after Ukraine’s sabotage, intelligence saysUkraine’s 3rd Brigade frees captured soldiers in Kharkiv Oblast skirmishOil depot on fire in Crimea’s Feodosia following Ukrainian attackRussian airstrike against Kherson injures 20, including childrenKyiv’s air defense intercepts Russian Kinzhal strikeThe Russian Baltic Fleet minesweeper Alexander Obukhov has been put out of action thanks to a sabotage operation by Ukraine’s military intelligence (HUR), the agency said on Oct. 7. The ship, based in the Russian coastal town of B…