An image posted on the Internet by Ukraine’s military showed smoke billowing about 90 miles south of Odessa after the last Russians were forced to flee in two boats. Andriy Yermak, head of the Ukrainian president’s office, wrote on Twitter: “Kabum! There are no more Russian troops on Snake Island. “Our armed forces did an excellent job.” Ukrainian troops are expected to return soon to take control of the island. Russia’s retreat will boost Ukraine’s morale after a sad week in the east of the country, where
