Factbox-What happened to the U.S. drone downed near Ukraine?

FILE PHOTO: Sukhoi Su-27 Flanker fighters of the Russkiye Vityazi (Russian Knights) aerobatic display team perform during a demonstration flight at the opening ceremony of the International Army Games in Alabino, outside Moscow, Russia, August 1, 2015. REUTERS/Maxim Shemetov/File Photo

MOSCOW (Reuters) - Russia and the United States have offered different accounts of the downing of a U.S. intelligence drone in the Black Sea.

Below are the two accounts: