More footage reveals a heavy cluster bomb attack on the village of Maasaran, near the site of the downed Su-25:

As we reported earlier, the Su-25 warplane was the first Russian fighter jet downed above Syria since 2015. "The Russian Defense Ministry said earlier the jet was attacked from the ground by rebels possibly using a man-portable air-defense system (MANPADS) in the designated ceasefire zone in Idlib province.put forward by the Russian military to ensure security of its coalition allies, Rankine-Galloway added.It's believed the officer was engaged in a firefight with militants before being killed. The pilot of the Russian Su-25 fighter jet had ejected and landed safely but was later killed by terrorists, according to the Russian Defense Ministry.
According to Sputnik agency, Tahrir al-Sham, allegedly including Al-Nusra Front, claims in a social media post that it downed the Russian jet with a shoulder-launched anti-aircraft missile.