Ukrainian marines have advanced for the second time in two weeks on the southeastern frontlines, towards the key port city of Mariupol, with the recapture of the village of Urozhaine appearing to have been partially aided by the Ukrainian use of controversial cluster munitions. Ukraine’s Deputy Defense Minister Hanna Maliar confirmed the village’s liberation Wednesday morning, as a CNN crew approached its outskirts with the 35th Marines. Heavy artillery fire prevented entry into the village, as Russian forces shelled Ukrainian troops holding the area. Drone footage of the intense fight for the village has emerged in which dozens of Russian...