Ukraine tells UN aviation watchdog that Russian airspace 'not safe'

Russia's aviation watchdog called Ukraine's warnings illegitimate and "invalid".

Related stories

world

Uber shuts operations in Nigeria and Uganda with immediate effect

world

Watch: Jury still unable to reach unanimous decision in Lindsay Clancy case

world

U.S. Fed says 'positive' economic outlook facing heightened uncertainty

world

UN charts course to manage global warming-limit breach