What to know about the Russian-Iranian relationship:

Russian President Vladimir Putin and his Iranian counterpart Masoud Pezeshkian deepened military ties between their countries on Friday by signing a 20-year strategic partnership that is likely to worry the West.

Russian President Vladimir Putin and his Iranian counterpart, Masoud Pezeshkian, signed a broad cooperation pact Friday as their countries deepened their partnership in the face of stinging Western sanctions.

Russia and Iran sign a 20-year strategic partnership agreement to bolster military, political, and economic cooperation amid Western sanctions and escalating tensions.

The agreement is focused more on trade than military issues, but it will bring two countries with a shared desire to challenge the West closer together.

The Kremlin says Russian President Vladimir Putin will host his Iranian counterpart President Masoud Pezeshkian this week for the signing of a broad partnership pact between Moscow and Tehran.

Iranian President Masoud Pezeshkian has arrived in Russia for the signing of a broad cooperation treaty as his country grapples with growing economic problems and other challenges.

Iranian President Masoud Pezeshkian told his Russian counterpart Vladimir Putin he believed their two countries could finalise agreements on the construction of a nuclear power plant in Iran as the tw

TikTok shut down U.S. operations Saturday night, complying with a U.S. law that banned the short video app, even as Donald Trump said a reprieve is "likely."

Iranian media have reported that during the visit of Masoud Pezeshkian, the President of Iran, to Moscow, a 20-year cooperation treaty was signed between Iran and Russia.

The two countries signed 20-year cooperation pact, but despite anti-US stance there are limits to their partnership.