«We want to tell the American children that Afghanistan feels your pain. We hope the courts find justice,» ambassador Mullah Abdul Salam Zaeef said in a statement in Pakistan.
U.S. President George W. Bush has said they were «terrorist attacks» and American officials say their «working assumption» is that the attacks in New York and Washington are acts of «overseas terrorism.»
«This is the second Pearl Harbor. I don´t think that I overstate it,» said Senator Chuck Hagel, a Nebraska Republican.
Officials say they had no intelligence beforehand that a massive terrorist plot was under way.
There have been a number of denials of responsibility by Palestinian groups and by the Al Quaida group headed by fugitive Saudi accused terrorist Osama bin Laden. U.S. officials say they have no credible claim of responsibility.