"Outlaw @SecPompeo has no qualms about violating his own country's laws," Zarif wrote on his Twitter account on Monday.
"Standing next to World's #1 nuclear threat, he (Pompeo) declares his desire to flood our region with even more US weapons—all while trying to impede lawful normalization of Iran's defense cooperation with the world," he added.
Earlier, US media New York Times reported that Trump Administration is bypassing Arms Control Pact to sell large armed drones.
"The move has been opposed internally by arms control officials and lawmakers trying to limit the proliferation of such drones, especially in countries like Saudi Arabia and the United Arab Emirates (UAE)," it added.
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