Ukrainian Deputy Prime Minister Iryna Vereshchuk hails the evacuation of civilians from Mariupol's beleaguered Azovstal plant as a success while warning that 'tens of thousands' of civilians remain trapped throughout Mariupol. The joint UN and Red Cross operation was the first completed civilian evacuation from the giant Azovstal steel factory, where Ukrainian soldiers and civilians have for weeks been trapped, hiding as Russian forces besieged and pummelled the city. IMAGES AND SOUNDBITES