Iran Revolutionary Guard shoots down U.S. drone amid tensions

By NASSER KARIMI and JON GAMBRELL
TEHRAN, Iran  — Iran’s Revolutionary Guard shot down a U.S. drone on Thursday amid heightened tensions between Tehran and Washington over the collapsing nuclear deal with world powers, American and Iranian officials said, though they disputed the circumstances of the incident.
The Guard said it shot down the drone over Iranian airspace, while two U.S. officials told The Associated Press the downing happened over international airspace in the Str