U.S. sends nuclear sniffer plane to Korea: source

SEOUL, April 20 (Yonhap) -- The U.S. Air Force dispatched a nuclear sniffer aircraft Thursday to the east of the Korean Peninsula amid the possibility of North Korea's imminent nuclear test, a government source said. "The WC-135 Constant Phoenix, a special-purpose U.S. plane, made an emergency sortie today over the East Sea," the source said, requesting anonymity. -- More...