russia's bombed markets, hospitals, and schools. the u.n. calls them war crimes but no one faces justice. its cruel attacks no-no bounds. even those who have rushed to help those who were injured were targeted. >> my colleagues in one second, we would try to respond to save others. >> reporter: they helped. >> we are forced to leave. >> reporter: his beloved aleppo was reduced to rubble. >> aleppo was like doomsday. i saw buildings collapse on the heads of the families, members of the families, children, by using the bunker buster bombs.