U.S. Air Force retired Gen. Philip Breedlove, a former NATO commander, speaks to Fox News Digital about the relationship between the Russian and Iran, and how the U.S. war in Iran is becoming a "test of will.

The Financial Times reports Russia is assisting Iran develop ramjet engines for hypersonic cruise missiles under a covert programme.

An FT investigation has found that Russia has been helping Iran develop new supersonic missiles. They would be capable of striking US warships in the Middle East. Miles Johnson is an investigative reporter at the FT, and he joins me now to talk about it. Hi, Miles.

Secretary of State Marco Rubio downplayed a New York Times report that Russia plans to give more support to Iran against the U.S. and said the CIA director's trip to Moscow last week was "routine," during an interview with FNC's Brian Kilmeade.

China's Xi Jinping and Iranian President Massoud Pezeshkian were in Kyrgyzstan for a summit of the Shanghai Cooperation Organisation, with Russia's Vladimir Putin expected later on Monday for the

US-Iran war news LIVE: US President Donald Trump on Monday (local time) threatened to hit Iran “hard” after the two sides exchanged fire for the first time after weeks of calm, with Treasury Secretary Scott Bessent vowing to keep a pressure campaign aimed at hobbling Tehran's economy.

Leaks reveal programme behind one of the most significant known transfers of military technology from Moscow to Tehran

The Trump administration has played down reports that Russia is providing material support to its ally in Tehran

Trump is reopening high-level channels with Moscow as the Ukraine and Iran wars complicate US strategy. Here are three reasons Washington is once again seeking Russia’s cooperation.