As many as 9,000 Ukraine civilians could have been executed by Russian forces and buried in mass graves outside Mariupol, according to local leaders. Mariupol Mayor Vadym Boychenko revealed the grim development Thursday and called the site of the atrocities in the nearby village of Manhush “the new Babi Yar,” a reference to the Ukrainian Holocaust site where tens of thousands of Jews were killed in World War II. “Then Hitler killed Jews, Roma and Slavs. And now Putin is destroying Ukrainians. He has already killed tens of thousands of civilians in Mariupol,” ....Meanwhile, Russia continued to shell humanitarian corridors...