Moscow airports have become overcrowded following mass flight delays, APA's Russia bureau reports.
A total of 423 flights have been delayed since yesterday evening due to the threat of drone attacks.
Some passengers waited more than 13 hours for their flights and slept on the floors of the airports.
Restrictions at the airports were lifted at 5:00 a.m. Moscow time, but the airports remain overcrowded with passengers.
Note that the Ukrainian army has carried out a massive drone attack on Moscow since yesterday evening. As a result, restrictions were imposed on aircraft takeoffs and landings at all Moscow airports.