Russian Federation said in July that it might have killed the leader of the rival jihadist group Islamic State (IS), Abu Bakr al-Baghdadi.
"The air raid - he said from Moscow - inflicted many serious wounds to the leader of Jabhat al-Nusra, Abu Mohammad al-Julani".
According to reports, Russia's Aerospace Forces have critically wounded al-Joulani in Syria, and killed 12 field commanders of the terrorist group which controls Idlib Governorate. However, the Russian Defense Ministry continues to refer to the group using its original name.
Since 2017, it is a predominant part of a coalition of militant factions called Hayat Tahrir al-Sham.
Two suspected mercenaries from a "private army" used by Vladimir Putin in Syria have been captured by ISIS, according to video claims. Russian Federation has claimed to have killed several top jihadist commanders recently. But there was no confirmation from IS and a new audio message purportedly from Baghdadi was released last week.
Last month Russian Federation claimed to have killed several top IS commanders in an air strike including the US-trained "minister of war" Gulmurod Khalimov.
-Gen. Igor Konashenkov said in a statement.
The Observatory, however, reported that a military air base in the Idlib province, controlled by the Levant Liberation Committee, had been targeted with at least 23 airstrikes on Tuesday.
Russian Federation intervened in support of the regime of Bashar al-Assad in September 2015 and has helped government forces win back large parts of the country.