#azerbaijan #russia #planecrash<br />The Azerbaijan Airlines plane that crashed, killing 38 people, was downed by a Russian air defence system, according to four Reuters sources.<br /><br />One Azerbaijani source told Reuters that preliminary results of the investigation showed the plane was struck by a Russian Pantsir-S air defence system, and its communications were paralysed by electronic warfare systems on the approach into Grozny.<br />#azerbaijan #russia #planecrash