How serious is the war in Ukraine? Them: pbs.twimg.com/media/FYoKQgmWYAIEbiq?format=jpg&name=medium pbs.twimg.com/media/FYoKQgkXoAAx7EC?format=jpg&name=medium pbs.twimg.com/media/FYoKQgpXgAYxCFl?format=jpg&name=900x900