As the front lines froze, and air defenses got better, Russia and Ukraine pivoted away from close bombing runs to standoff attacks.

Trump says Russia tariffs will be imposed in 10 days * Ukrainian drones strike train station, rail infrastructure amid large-scale attack on Russia's Rostov Oblast * Zelensky signs law allowing citizens over 60 to join military during wartime * Ukraine shows footage of FPV drones attacking Russian-held gas rig in first such deployment * 'Another proof of Russia's war crimes' — Russian air strike on Ukrainian prison kills 16 inmates U.