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.

Masoud Pezeshkian is expected to sign an agreement on cooperation between Tehran and Moscow with Russian President Vladimir Putin on Jan. 17.

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.

Russian authorities on Thursday closed all four of Moscow's airports, plus a fifth one in a city about 100 miles southwest of the country's capital, citing unspecified safety concerns.

"To ensure the safety of civil aircraft flights, temporary restrictions have been introduced on the operation of Sheremetyevo, Domodedovo, Vnukovo, Zhukovsky and Kaluga airports," Rosaviatsiya said on Dec.