This information was confirmed by Syriam vice prime-minister, Minister of Foreign Affairs Walid Al-Muallem.
Reuters and Al Jazeera take part in exploiting Syria’s war victims.
The Russian Deputy Foreign Minister called it a violation of Syria's sovereignty.
President Putin joked that he would reprimand Mr Lavrov because he hasn’t shared said secrets with the rest of Russian government.
Russian Foreign Minister Sergey Lavrov has stated that militants who refuse to leave Aleppo will be destroyed.