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

Moscow wants to be able to deploy 2,000 drones in a single strike, according to the assessment of a senior German military official.

Moscow continues to intensify its long-range attacks on Ukrainian cities and analysts say the barrages are likely to escalate.

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,