Russia's Foreign Ministry said on the 4th that Ukraine's navigation notice
alleging Russian airspace "no longer safe" distorts facts and misleads airspace
users; Moscow has lodged a formal protest. The ministry said the Ukrainian
statement poses a direct threat to civil aviation, that Russian authorities are
coordinating with the International Civil Aviation Organization (ICAO) and have
made an urgent appeal to the ICAO secretary-general, and that Russia remains
committed to safeguarding civil aviation safety.