Ukrainian soldiers are running low on anaesthetic for a make-shift clinic inside their country's last outpost in Mariupol.
Despite relentless ground and air assaults from the Russian forces, the Ukrainian troops stuck inside the Azovstal steel plant are refusing to surrender.
With many of the fearsome Azov Battalion among their number, what's left of the Ukrainian army in the southern port city has managed to launch counteroffensives against the Russians and hold their defensive line despite the overwhelming odds against them.
