Russian President Vladimir Putin issues another threat to any country that tries to interfere in Ukraine, as he also halts vital gas supplies to two NATO members. The scramble to find an energy alternative, how Europe is describing the move, and the mission to save Ukrainian troops and civilians stuck inside the Azovstal steel plant in Mariupol. Global National's Dawna Friesen also speaks with Ukrainian MP and peace negotiator Rustem Umerov on what he believes is needed to stop a third world war, the challenges of dealing with Putin, and how much Canada is doing to help Ukraine. Canadian veterans say Ottawa is lagging on its promise to help tens of thousands of people trying to escape Taliban-controlled Afghanistan. What vets are pushing Ottawa to do and how the crisis has led some of them to their darkest moments. Plus, a medical mystery: what's behind the sudden surge in children, including in Canada, with acute liver disease? The symptoms parents need to watch out for. And hot shot: Toronto Maple Leaf Auston Matthews has scored his way into NHL history. The rare, impressive feat that's landed him in an elite club with other hockey greats.