Ukraine International Airlines President Yevhenii Dykhne stands next to a map of flight PS-752's departure paths at a news briefing about the crash of the Boeing 737-800 plane, flight PS-752, on the outskirts of Tehran, at the Boryspil International Airport, outside Kiev, Ukraine January 11, 2020. Reuters

Plane had no threat
warning: Ukraine airline

The airline officials bristle at what they say are hints from Iran that the crew had not acted properly