Saudi, UAE, Jordan and Bahrain involved in strikes in Syria - U.S. official

WASHINGTON (Reuters) - Saudi Arabia, the United Arab Emirates, Jordan and Bahrain were involved in U.S. air strikes launched in Syria, a U.S. official said, although their exact roles in the military action were unclear. Qatar played a supporting role in the air strikes, the official said. (Reporting by Missy Ryan, Writing by Jason Szep; Editing by Raju Gopalakrishnan)