WASHINGTON, Dhu-AlQa'dah 17, 1437, Aug 20, 2016, SPA -- U.S. Vice President Joe Biden spoke by phone on Friday with Ukrainian President Petro Poroshenko and both leaders expressed concern over a recent surge in fighting in eastern Ukraine, where Kiev is fighting pro-Russian separatists, the White House said, Reuters reported. "The Vice President relayed that the United States had sent a message to Russia that the world is watching and underscored the need to de-escalate the situation. He also urged Ukraine to show restraint," the White House statement said. -- SPA 04:00 LOCAL TIME 01:00 GMT www.spa.gov.sa/w