ASN report - so far - here:
https://aviation-safety.net/wikibase/345861
It links to a source article that says the plane 'missed its landing'. The Wagner suggestion comes from a commenter below it, who also suggests the plane had been shot at. He is then called dishonest by another commenter, stating to be in Gao himself.
Up until a few days ago, there was no Il-76 known to the Soviet Transports team as being TZ-registered.
Erik