Author of the video seen by everyone by now has been stabbed near Kijow on 4.15 and transported in critical condition to the hospital in Kijow. On 4.16 three unidentified individuals unplugged him from life support system and stabbed him 3 more times. Andrij was pronounced dead that afternoon. Russian government claims it was a coincidence.
It is also being suggested by some that the yellow lights seen in the video are not landing lights, but temporary lights to show where to land on the field and were purposely moved to cause the pilot to believe he was on a landing strip. Here is link suggesting that.