Four airports in southern Russia are closed to aircraft.

Rosaviatsia has imposed flight restrictions at airports in Grozny, Magas, Vladikavkaz, and Volgograd. A no-fly alert is also in effect in Kabardino-Balkaria, Dagestan, and Stavropol. Residents of Volgograd and Volzhsky reported a series of explosions.

As reported by the "Caucasian Knot," operations at Volgograd Airport were suspended on the night of January 18 due to a flight safety threat.

Operations at four airports in the Southern and North Caucasian Federal Districts have been restricted since the evening of January 21. Since 10:16 p.m. Moscow time, flights have been suspended at Vladikavkaz (Beslan), Grozny (Severny), and Magas airports, and since 11:24 p.m. Moscow time, Volgograd Airport has also been closed to aircraft.

"Restrictions are necessary to ensure flight safety," according to a statement from the official Telegram channel "Rosaviatsia Speaks."

Residents of the Volgograd region received a report of a drone threat in the Volgograd region at 10:50 PM Moscow time, according to the Telegram channel "Volgograd News." According to the Volgograd airport's online flight board, a flight to Dubai, scheduled to depart at 11:20 PM Moscow time, was delayed. There are no delayed flights arriving.

Around 1:45 AM, residents of Volgograd and the surrounding area heard a series of explosions. Locals report that three to five explosions occurred in the eastern and northern parts of Volgograd, and "loud sounds" were also heard in Volzhsky, SHOT reports.

UAV alert declared in six regions of the North Caucasus Federal District

No flights are scheduled for the period from 8:00 PM to 10:00 AM Moscow time at Vladikavkaz and Magas airports, and the Grozny airport's official website does not list flight statuses. According to the flight board, a scheduled flight from Moscow landed in Grozny at 11:00 PM Moscow time, even though Rosaviatsiya had already closed the airport by that time. Yandex Schedules, however, indicates that the flight departed from the capital an hour later than scheduled, but "no data" for the arrival airport.

A drone alert was declared in Chechnya at approximately 8:59 PM Moscow time on January 21, TASS-Kavkaz reported, citing a statement from the unified state emergency warning and response system.

At 8:40 p.m. Moscow time, the head of Kabardino-Balkaria, Kazbek Kokov, reported the threat of drone attacks, noting that "mobile internet slowdowns are possible in some areas." North Ossetia's head, Sergei Menyailo, issued a drone alert in the republic at 8:34 p.m. Moscow time, and at 9:11 p.m. Moscow time, announced that the "Carpet" plan had been declared at Vladikavkaz Airport.

Also, a drone alert has been in effect in Dagestan since 8:30 p.m. Moscow time. "Mobile internet disruptions are possible," the republic's Emergency Situations Ministry reported on its Telegram channel.

Stavropol's head, Vladimir Vladimirov, issued a drone alert in the region at 7:49 p.m. Moscow time on January 21. As of 2:20 a.m. Moscow time today, there have been no reports of the drone alert being lifted in the aforementioned regions of the North Caucasus Federal District.