Breaking: Iran claims to have downed a US drone

Iran claims to have downed a US RQ-170 drone. It is threatening to respond 'outside our borders.' Iran's military said on Sunday it had shot down a US reconnaissance drone aircraft in eastern Iran, a military source told state television."Iran's military has downed an intruding RQ-170 American drone in eastern Iran," Iran's Arabic-language Al Alam state television network quoted the unnamed