National Guard service member detained on suspicion of killing 4.

Ukraine war latest: Reports of explosions, fires in Russian rear, occupied Sevastopol after alleged Ukrainian strikes

Key developments on Jan.

21: * Multiple explosions, fires reported overnight in Russian rear due to alleged long-range Ukrainian strikes * Explosions reported in occupied Sevastopol * Air Force: Russian air defense sufficient on front lines, in Crimea but not on Russian soil * Budanov: North Ko...