
Ukraine war latest: 207 Ukrainian POWs return home; Ukraine says Russian airbase in Crimea struck
Key developments on Jan. 31: * Zelensky: 207 Ukrainian prisoners return home from Russian captivity, almost half of them Mariupol defenders * Ukrainian commander says Russian airbase in Crimea hit in attack * Military intelligence confirms Russia used North Korean shells in Ukraine * Germany hands over IRIS-T anti-air missiles, armored vehicles, other equipment