Iranian President Masoud Pezeshkian is set to visit Moscow on Jan. 17 and sign a cooperation agreement with Russian President Vladimir Putin, Russian state news agency RIA cited Iran's ambassador to Russia as saying on Thursday.

Russia’s top security agency says it has arrested four Russians accused of making preparations to kill senior Defense Ministry officials on Ukraine's orders.

Ukraine has claimed to have struck a Russian industrial facility producing fuel for missiles, as Moscow says it has foiled several assassination plots on senior officers.Kyiv said on Thursday that its air force had had carried out a strike in Russia’s Rostov region on a factory which was used to produce solid fuel for ballistic missiles used in attacks on Ukraine.

According to the Federal Security Service (FSB), four Russians were involved in an alleged Ukrainian plot to assassinate senior military officers.

Russia's aviation watchdog said on Thursday all four Moscow airports had resumed work after the lifting of temporary restrictions that were introduced to ensure the safety of civil aircraft flights.

To ensure the safety of civil aircraft flights, temporary restrictions have been introduced on the operation of Sheremetyevo, Domodedovo, Vnukovo, Zhukovsky and Kaluga airports,” Russia’s aviation authority said.

Russian security officials said it arrested four Russians accused of planning to kill senior officials with the Defense Ministry.

All four of Moscow's airports including another about 100 miles southwest of the Russian capital were temporarily shut down for undisclosed security concerns, authorities said.

Russia's rail industry is in its worst downturn since the Great Financial Crisis, according to an estimate from MMI Research.

Kazakh authorities have recovered the flight data recorder and an investigation is under way. Shortly after the crash, reports from Russian state-controlled TV said the most likely cause was a strike from a flock of birds.

Russian President Vladimir Putin held talks in the Kremlin on Sunday with Slovakia’s prime minister, Robert Fico, in a rare visit to Moscow by an EU leader since Russia’s all-out invasion of Ukraine in February 2022.