BEZIMENNE, Ukraine (Reuters) -Civilians were evacuated on Sunday from the bunkers of Mariupol’s Azovstal steel works after the United Nations and the International Red Cross led a deal to ease the ordeal of the most destructive siege of the war in Ukraine. Russian forces pummelled the port city for nearly two months, turning Mariupol into a wasteland with an unknown death toll and thousands trying to survive without water, sanitation or food. The city is under Russian control but some fighters and civilians have sheltered underground in the Azovstal works – a vast Soviet-era plant founded unde…