russia of bombing a humanitarian corridor. >> they constitute war crimes. they are attacks on civilians that cannot be justified by any, in any way, whatsoever. >> reporter: the high level diplomatic meeting between russia and ukraine failed to bring results. >> i came here with a humanitarian purpose, to walk out from the meeting with a decision to arrange a humanitarian corridor in and from mariupol. unfortunately, minister lavrov was not in a position to commit himself to it. >> reporter: the diplomacy has done nothing to stop the war. the russian foreign minister today even made the extraordinarily false claim that russia did not attack ukraine, as the invasion enters its third week. ukraine is claiming a victory in the north. these images show what they say