The children in question are orphans, and they are being moved out of a war zone. Trying to make this a war crime is quite a stretch, and although you may be able to sell this to neocons in the West, I can assure you that China is not going to buy it. It is also noteworthy that Russia is not the only nation that doesn't recognize the ICC -- neither do the US, China, nor India. In the past, the ICC has only been able to find war criminals in Africa, which means that they weren't looking very hard, because there is an abundance of them in the Anglophile nations.