White House says U.S. will continue to press case against Islamic State

WASHINGTON (Reuters) - The White House said on Wednesday that a cessation of hostilities deal in Syria does not prevent the United States from pressing the case against the Islamic State. "At this point, I'm unwilling to discuss potential military options at a time when we're hoping that diplomacy can succeed," White House spokesman Josh Earnest told reporters. (Reporting by Clarece Polke; Editing by Mohammad Zargham)