AlQa'dah 13, 1436, August 28, 2015, SPA -- U.S. Vice President Joe Biden spoke with Ukrainian President Petro Poroshenko on Friday about attacks from Russian-separatist forces in the eastern part of the country, the White House said, Reuters reported. During the telephone call with Poroshenko, Biden also criticized statements by separatist leaders that they intended to take additional territory, the administration said in a statement.