<translate>  <ibo>
Ugbu a ná mmalite nke narị afọ nke 21 , atụmanya nke inweta udo yiri ihe na - eduhie eduhie karị karịsịa mgbe ndị na - eyi ọha egwu wakposịrị New York City na Washington , D.C . , na September 11 , 2001 . 