Our Ukraine correspondent, Siobhán O’Grady, visited a school in Kyiv, where air raid sirens interrupt classes all day and children must take shelter. #Kyiv #Ukraine #Russia #School Video by Siobhán O’Grady, Leila Medina, Dmytro Vlasov and Liubov Sholudko/The New York Times Discover the journalism Times subscribers get daily, free for your first month in The New York Times app. Download app: nytimes.onelink.me/Xpht/a6wzplra ---------- Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific developments, New York Times video journalists provide a revealing and unforgettable view of the world. It's all the news that's fit to watch.