Looks like someone "heard the buzzing sound of a flying drone" just before the explosions started going off.
If it will end up it really was a drone, I fear incoming limitations for our hobby
Ukraine probes arms depot explosion, military blames 'sabotage'
"Matios said witnesses heard a sound resembling that of a drone in flight before the blasts began.
Defence Minister Stepan Poltorak said authorities were considering the theory that "explosive devices dropped from an unmanned aerial vehicle" could have caused the fire, Interfax Ukraine news agency reported."
If it will end up it really was a drone, I fear incoming limitations for our hobby
Ukraine probes arms depot explosion, military blames 'sabotage'
"Matios said witnesses heard a sound resembling that of a drone in flight before the blasts began.
Defence Minister Stepan Poltorak said authorities were considering the theory that "explosive devices dropped from an unmanned aerial vehicle" could have caused the fire, Interfax Ukraine news agency reported."