KYIV, Ukraine (AP) — Russian President Vladimir Putin on Thursday ordered his armed forces to observe a unilateral 36-hour cease-fire in Ukraine this weekend for the Orthodox Christmas holiday, the first such sweeping truce move in the nearly 11-month-old war. Kyiv indicated it wouldn't follow suit.

Putin did not appear to condition his cease-fire order on Ukraine's acceptance, and it wasn't clear whether hostilities would actually pause on the 1,100-kilometer (684-mile) front line or elsewhere. Ukrainian President Volodymyr Zelenskyy dismissed the Russian move as playing for time to regroup i...