Iliya was fatally wounded while playing soccer in Mariupol when the shelling started. The explosive hit the soccer field near a school in the Azov Sea city.
The attack occurred in the final hours of a chaotic American withdrawal that ended a 20-year war in Afghanistan.
Afghan and international forces killed more than 700 civilians in the first six months of the year.
The figure is hundreds more than the number the U.S.-led coalition claims over the entire four-year campaign against IS, the groups said.
Coalition forces have imposed severe restrictions on Red Sea ports and Sanaa airport, depriving Yemenis of vital supplies which may also constitute international crimes, the independent experts said.
The U.S. war against civilians in Syria
His administration is killing unusually large numbers of civilians, in violation of U.S. and international law.