Ukrainian Marines trying to defend the city of Mariupol from the onslaught of the Russian army says they've been fighting for more than a month without resupply of ammunition, food and water – but now the "mountain of wounded makes up almost half of the crew." The dire warning from the 36th Navy Brigade, which was posted to Facebook on Sunday, suggests cracks are starting to form in Ukraine’s fierce defense of Mariupol. "From the beginning... we have been defending Mariupol for 47 days," the Marines wrote. "We were bombed from airplanes, we were shot from artillery, tanks and other...