An alleged high-explosive bomb that was dropped on the Mariupol mother and child hospital on March 9 was the start of a Russian narrative that the building was being used as a military position and was a justified target.
An exclusive CNN model - backed up by an eyewitness - indicates that it would have been obvious and visible that the hospital was used by civilians, including pregnant women, before it was hit.
Katie Polglase gives us the details.