The war in Ukraine is making it increasingly difficult to help the injured, Doctors Without Borders (MSF) said on Tuesday. The supply of hospitals is no longer as good as it was before the fighting began, the aid organization’s managing director, Christian Katzer, told German public broadcaster ZDF. In Odessa, for example, the supply of food has collapsed. “Also, important medicines can no longer simply be ordered,” Katzer said. MSF has several teams in Ukraine, for example in the capital Kiev as well as in Mariupol and Odessa. However, providing effective aid is still difficult, Katzer said. …