Donetsk, 16 June (BelTA) - The Azov nationalist battalion was blocked on the grounds of Azovstal. Having run out of food and water, they left the catacombs of the plant and surrendered to the Russian army. The militants left behind Nazi propaganda literature, leaflets and posters. A BelTA correspondent went down to the catacombs of Azovstal to see how the besieged Ukrainian nationalists lived.