Sergei Shoigu, the secretary of Russia’s Security Council, arrived in Tehran on Monday to talk about a number of bilateral and international issues, according to Iran’s official news agency, IRNA.

Shoigu met with Rear Admiral Ali Akbar Ahmadian, the secretary of Iran’s Supreme National Security Council and a senior commander of the Islamic Revolutionary Guard Corps (IRGC), according to Nour News, a state-run publication in Iran.

Shoigu is also anticipated to meet with Iranian President Masoud Pezeshkian and Chief of the Iranian Military’s General Staff, Muhammad Bagheri, according to reports from Russian news agencies Tass and RIA Novosti.These talks take place in the midst of US and ally efforts to prevent a wider regional crisis after Israel has been threatened with retaliation for the recent deaths of significant militants allied with Iran.