Recent developments related to Tuesday's terrorist attacks at the World Trade Center, the Pentagon and crash of jetliner in Pennsylvania:
- President Bush says U.S. troops will hunt down terrorists and "smoke them out of their holes" in a long, unrelenting war; cites desire by American people to not seek only revenge, but to win a war against "barbaric behavior."
-President Bush declares national emergency and gives military authority to call 50,000 reservists to active duty. Military identifies requirements for 35,500 reservists to be called up within days.
-Federal authorities in New York make first arrest in the case, detaining a suspect on a material witness warrant.
-Justice Department releases names of 19 alleged hijackers and says it wants to question 100 people.
-Nearly 5,000 people reported missing or confirmed dead at World Trade Center. Pentagon death toll at 189.
-Congress approves $40bn in emergency aid to help victims and hunt down culprits. Also gives consent for president to use force against those responsible for the attacks.
-Beleaguered Afghans stream out of the capital, Kabul, fearing a U.S. military strike against their Taliban rulers who harbor Osama bin Laden. Afghanistan's Taliban militia warns of "revenge" against neighboring countries that aid any U.S. attack.
-Bush leads four former presidents and nation in prayer at National Cathedral. Later visits trade center site and is cheered by search crews.
-Americans show unity by lighting thousands of candles at vigils across America.
-Searchers at Pentagon find flight data and voice recorders of American Airlines Flight 77. Near Shanksville, Pa., investigators find cockpit voice recorder of United Airlines Flight 93.
-Federal officials clear most private flights, day after commercial jets cleared for flight. Private planes still banned from within 25 nautical miles of Washington and New York. Boston airport reopens.
-Securities and Exchange Commission for first time eases restrictions on companies wishing to buy back own shares, hoping to smooth trading when stock markets reopen Monday.
-Treasury Department creates special team to track terrorist financing.