Russia did not ask for permission to send in its aid convoy , Ukrainian official says . Ukraine , rebels agree to detailed ceasefire deal , Russian state media say . On Thursday , Ukrainian President Poroshenko asked the U.S. for arms . The United States has said it will provide non-lethal military assistance but doesn't plan on sending weapons directly into eastern Ukraine.
Russia did not ask for permission to send in its aid convoy , Ukrainian official says . Ukraine , rebels agree to detailed ceasefire deal , Russian state media say . On Thursday , Ukrainian President Poroshenko asked the U.S. for arms . The request was denied , but lawmakers approved more nonlethal aid .