Leaders renew calls to investigate attacks on civilians

  • Ukrainian firefighters extinguish a blaze Thursday at a warehouse after a bombing in Kyiv, Ukraine. Russian forces destroyed a theater in Mariupol where hundreds of people were sheltering Wednesday and rained fire on other cities, Ukrainian authorities said. (AP Photo/Vadim Ghirda)

KYIV, Ukraine — As Russian forces pressed their assault on Ukraine, world leaders called anew for an investigation of the Kremlin’s repeat attacks on civilian targets, including airstrikes on schools, hospitals and residential areas that led one official to lament that his city had never seen such “nightmarish, colossal losses.”