Ukraine said on Thursday it had closed its airspace to civilian flights because of a "high risk" to safety, and Europe's aviation regulator
Ukraine said on Thursday it had closed its airspace to civilian flights because of a "high risk" to safety, and Europe's aviation regulator
Ukraine said on Thursday it had closed its airspace to civilian flights because of a "high risk" to safety, and Europe's aviation regulator
Ukraine said on Thursday it had closed its airspace to civilian flights because of a "high risk" to safety, and Europe's aviation regulator