Russia and Iran sign a new treaty underpinning their economic and military cooperation, in what both sides cast as a major milestone in their relations.
The signing ceremony takes place in the Kremlin with Russian President Vladimir Putin and his Iranian counterpart, Masoud Pezeshkian.
Moscow has looked to the Islamic republic as a strategic ally since sending troops into Ukraine in February 2022, worrying Western officials who see both as malign actors on the world stage.