Ukraine war latest: Zelensky unveils new Ukrainian new missile-drone 'Peklo'
Key developments on Dec. 6: * Zelensky unveils new Ukrainian new missile-drone — 'Peklo' * Crimean Bridge closed after reported Ukrainian drone strikes on Kerch * Ukrainian partisans sabotage railway line linking Moscow to Kursk Oblast, group claims * Estonian company to test AI-guided anti-drone missiles in Ukraine, CEO says * Putin replaces Kursk Oblast governor