Recent developments related to Tuesday's terrorist attacks at the World Trade Center, the Pentagon and crash of jetliner in Pennsylvania:
The passport of a suspected hijacker was found near World Trade Center ruins.
By Saturday night, 159 bodies are recovered from World Trade Center ruins, with 92 identified; the number of missing is put at 4,972.
The Pentagon death toll is at 188.
President Bush says U.S. troops will hunt down terrorists in a long, unrelenting war; he cites desire by American people not only for revenge, but to end "barbaric behavior."
Authorities say the first man arrested after the attacks was associated with the brother of Osama bin Laden; he was the same person arrested Thursday at John F. Kennedy International Airport after showing a pilot's license issued to his brother. A second arrest warrant was issued for a material witness.
The government says 25 people were arrested for immigration violations during investigation. None were yet charged.
The State Department warns foreign governments will be isolated if they tolerate or assist terrorist groups. Pakistan agrees to the full list of U.S. demands for a possible attack on neighboring Afghanistan.
International carriers resume flights to the United States. Articles such as knives are banned; searches of passengers and luggage are intensified.
A drastic drop in air travel and bookings cause Continental Airlines to cut its flight schedule by 20 percent and furlough 12,000 employees more than a fifth of its payroll.
Nasdaq, New York and American stock exchanges finish successful tests of their computer and communications systems, clearing the way for trading to resume Monday.