Russian aviation faced big delays due to the threat posed by Ukrainian drones, while Moscow's attacks on Ukraine killed at least one person.

Russia and Ukraine again exchanged a series of major overnight drone strikes as the two sides maneuvered ahead of a possible resumption of ceasefire talks.

Russia's civil aviation authority, Rosaviatsiya, briefly imposed restrictions on flights overnight at Moscow's main airports - Sheremetyevo, Vnukovo, Domodedovo and Zhukovskiy. Several thousand people were stranded in the far east of Russia due to the cancellation of flights in European Russia,