An unidentified crashed on Sunday (June 5) in the countryside near the Syrian city of Aleppo, in an area where Terrorist rebel fighters are battling the Syrian army, a monitoring group said.
Video uploaded to social media purported to show smoke rising from the site of the crash.
The Syrian Observatory for Human Rights said it was not clear whether the plane crashed due to a technical fault or was hit by a missile fired by insurgents.
Militants led by al Qaeda's Nusra Front have consolidated gains since Friday in southern Aleppo around the strategic town of Khan Touman.
Maj Gen Igor Konashenkov from Russia MOD denies reports that Syria rebels shot down Russia plane in Aleppo.
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