A residential building in Mariupol, south-eastern Ukraine, hit by Russian artillery fire. Screenshot from video, SkyNews, March 11, 2022. This article by Valeria Costa-Kostritsky appeared on OpenDemocracy on March 11, 2022. It is republished as part of a content-sharing partnership and has been edited to fit the GV style. Ukraine’s port city of Mariupol is home to 500,000 people. It was captured briefly by Russia-backed separatists in 2014. The city was retaken by Ukrainian troops the same year, but has remained very close to the frontline between Ukrainian and separatist forces ever since. No…