Minor progress has been made on establishing safe corridors to allow civilians to escape the fighting. A top Ukranian official says both sides agreed to a 12-hour-long cease-fire on Tuesday for the evacuation of civilians from a key eastern city. Meanwhile, Russian aircraft continued to bomb cities in eastern and central Ukraine overnight, Ukrainian officials said. Shelling pounded suburbs of the capital, Kyiv. Ukrainian President Volodymyr Zelenskyy is urging his people to keep resisting the assault, which United Nations officials say has forced more than 1.7 million to flee the country. Watch what has happened so far in this crucial 14 day war.