U.N. Secretary General Antonio Guterres and Russian President Vladimir Putin on Tuesday agreed "in principle" on the involvement of the United Nations and the International Committee of the Red Cross in the evacuation of civilians from a besieged steel plant in Mariupol, amid the ongoing war in Ukraine.It was the secretary general's first visit to Moscow since the Russian invasion began on Feb. 24. Putin said recently that Russian forces had effectively seized Mariupol, a key port city in southeastern Ukraine, but the United States has expressed doubt about the claim.Agreeing on the evacuat…READ FULL ARTICLE