Russian opposition leader Alexei Navalny shared a post of Russian Intelligence team on his Facebook page. The video contains an irrefutable proof of Russian use of cluster bombs RBK-500 ZAB-2.5cm.
Moscow repeatedly denied using this kind of munition at the air base Hmeymim in Syria.
It was reported that later RussiaToday cut the video-fact off the video about the visit of Defense Minister Sergei Shoigu to the Hmeymim air base, but the original version already appeared in other sources. This event took place on May 18th.
Also, one of Russian soldiers, sergeant Andrew Timoshenkov was mortally wounded after he prevented a breakthrough of a suicide car loaded with explosives to the place where humanitarian aid was distributed in the province of Homs.