In effort to promote support for sanctions against Tehran, US defense analysts reveal new evidence Russia using Iranian-made aircraft in Ukraine

Tehran says it caught 'main actors of failed attempt to sabotage' defense site last month

Focusing assault on industrial east, Kyiv fears Moscow seeking to soften its defenses in preparation for renewed ground assault as invasion's one-year anniversary looms

Wall Street Journal says delegation was in Yelabuga last month to advance plans for facility that could produce 6,000 deadly UAVs

Images reveal damaged roof at facility in Isfahan after it was attacked using bomb-carrying quadcopters on night of January 28

Target seen hit in Iranian video resembles Eilat Naval Base on Red Sea coast; mock Israeli corvette also on display

Report says Biden administration working closely with Israel on matter, but blocking regime from acquiring parts proving tricky

Tehran rails at Ukrainian leader over speech to US Congress in which he accused the Islamic Republic of becoming an ally in Moscow's 'genocidal policy' against Kyiv

British defense secretary warns military components being traded for Iranian drones will 'undermine' region, international security; estimates Russian losses at 100,000 troops

Officials say a critical infrastructure point was hit in the capital; at least two people hurt in incident, days after massive strike on city