text:  Not for the first time since the Russian invasion of Ukraine more than two years ago, there's an urgent scrutiny of Ukraine's international allies and the lengths they're going to to try and ease the situation on the ground. That urgency has grown following the bombing of a children's hospital in Kyiv by a Russian missile, an attack the city's mayor said was among the worst since the beginning of the war. And you'll hear from someone caught up in that attack in a moment.