Ukraine Live Briefing: Prison where POWs killed revealed in satellite images; Zelensky urges evacuation of Donetsk July 31, 2022 Europe IFTTT NYT + NYTimes Russia says it has invited the U.N. and Red Cross to investigate the deaths of Ukrainian prisoners of war at a detention center in Olenivka. Europe IFTTT NYT NYTimes Russia says it has invited the U.N. and Red Cross to investigate the deaths of Ukrainian prisoners of war at a detention center in Olenivka.