This post was originally published on this site
https://dims.apnews.com/dims4/default/cbccd6b/2147483647/strip/true/crop/3000x1688+0+0/resize/1440x810!/quality/90/?url=https://assets.apnews.com/05/cf/5505daef3e0aa02523794df63cef/c223c8b5811d4f338230f6b266354384Azerbaijan is observing a nationwide day of mourning for the victims of the air crash that killed 38 people and left all 29 survivors injured as speculation mounted about a possible cause of the crash that remained unknown.