World News Roundup: Schoolteacher stabbed to death by pupil in southwest France; Putin says Xi to visit Russia, ties reaching 'new frontiers' and more
Within Ukraine, schools took their classes online for the rest of the week for fear of an upsurge of Russian missile attacks a year on from Moscow's Feb. 24 all-out assault, which failed to topple the government and has long been bogged down. Russia says it won't return to nuclear treaty until West is ready to talk Russia said on Wednesday it would need to see a change in NATO's stance and a willingness for dialogue before it would consider returning to its last remaining nuclear treaty with the United States.