All eight on board the plane downed Monday were Ukrainians , Seleznyov said . All Four on board downed plane were Russia , YouTube spokesman says . Four escaped after plane hit ; Four taken hostage , official says . Kiev officials say rocket that struck plane crash appears to have come from Ukrainian .
All Four on board downed plane were Russia , YouTube spokesman says . Four escaped after plane hit ; Four taken hostage , official says . Kiev officials say rocket that struck plane crash appears to have come from Ukrainian .