The giant Azovstal Iron and Steel Works fills the skyline in the southern port city of Mariupol, Ukraine, on April 19. (Alexander Ermochenko/Reuters)The fate of the Ukrainian city of Mariupol rests on the Azovstal iron and steel plant -- a huge compound spanning four square miles in the southeastern corner of the port city. However, after reviewing thousands of photos and videos of the steel plant, the walls of the shelter appear to match the lime-green painted walls of the steel plant's basements. Ukrainian President Volodymyr Zelensky said in a video address on Tuesday that Russian forces are blocking evacuation routes from Mariupol. Read more about the Azovstal plant here:

Source: CNN April 20, 2022 15:50 UTC