UPDATE 1-Argentina, Citigroup face tough questioning in bond appeal
September 18, 2014 at 16:31 PM EDT
NEW YORK, Sept 18 (Reuters) - A U.S. appeals court signaled its displeasure with Argentina on Thursday as Citigroup Inc warned it faces "serious and imminent hazard" if it follows a judge's order not to process an upcoming interest payment due to bondholders.
