KYIV, August 23 /Ukrinform/. Russian humanitarian convoy is unloaded in Donbas, and a part of already unloaded trucks returns to the Russian Federation. The TSN informs. "Ukrainian customs workers managed to check and make customs clearance of only 34 trucks of the Russian humanitarian convoy. The rest of over 200 trucks crossed by border absolutely illegally... According to the Ukrainian customs workers, a part of trucks has already headed back. What does this mean, where did they unload, what did they leave on the territory of Ukraine - now there are more questions than answers,” a statement reads.