The Azovstal iron and steel plant went from driving Mariupol’s economy and community to becoming its last line of defense. Now, this wall of steel is shielding Ukrainian soldiers and civilians from Russia’s onslaught. CNN’s Isa Soares reports.

(SOURCE) https://www.cnn.com/videos/world/2022/04/28/mariupol-wall-of-steel-azovstal-ukraine-russia-soares-pkg-dlt-vpx.cnn