Researcher cites Russia's growing cooperation with Tehran and Islamic Republic's use of stolen Western parts in drones now being used against Kyiv

Report cites documents by Ukrainian experts who studied downed Iranian UAVs and concluded 75% of components are US-made, despite vigorous sanctions regime

Treasury Department blacklists four companies to hold accountable Iran 'and those supporting Russia’s war of aggression against Ukraine'

Defense Minister tells US Jewish leadership group that Tehran also gave South American nation precision-guided missiles to be used with Mohajer-6 drone