Here's a quick summary of the most important developments in the terror attack on New York and Washington:
-A fire official in Arlington, Virginia, says rescuers have picked up a signal from the black box of the plane that crashed into the Pentagon.
-Financial services giant Morgan Stanley says among the 3,700 workers employed at the World Trade Center, only between 30 and 40 were unaccounted for Thursday.
-The EPA says it may treat the World Trade Center and Pentagon as Superfund sites to get extra cleanup money. Tests done in the twin tower rubble show high levels of asbestos.
-President Bush has been working the phones, talking to world leaders about a global fight against terrorism. The White House says Bush spoke Thursday with the leaders of Japan, Italy, Saudi Arabia, Egypt and other countries.
-White House spokesman Ari Fleischer says the Secret Service has expanded the security perimeter around the White House.
-President Bush has designated Friday a National Day of Prayer and Remembrance. He's urging Americans to honor the victims with noontime memorial services, including the ringing of bells at that hour, and with candlelight vigils in the evening.
-Secretary of State Colin Powell says Osama bin Laden is a prime suspect in the terrorist attacks on the World Trade Center and the Pentagon. He says he'll press the president of Pakistan for information on bin Laden's operations.
-Sources in Pakistan's intelligence service say Osama bin Laden has moved to a new hiding place. They say he was on the move within minutes of Tuesday's terrorist attacks.
-Attorney General John Ashcroft says 18 hijackers were involved in the four plane crashes Tuesday -- five on each of two planes, four on each of the other two. All were ticketed passengers.
-The attorney general says "thousands and thousands of leads" are being pursued. The FBI hotline has received more than 2,000 calls and its Web site has gotten 22,700 tips.
-Attorney General John Ashcroft says he has streamlined the process for families of New York City's dead public safety personnel to get benefits.
-Congressional leaders say they intend to begin pushing an emergency anti-terrorism package through Congress as early as Thursday with a price tag that could exceed $20 billion.
-The Big 12, Big Ten and Southeastern Conferences have canceled their college football schedules for this weekend due to the attacks.
-NBC is postponing its fall season for a week because of the terrorist attacks. The new season was supposed to start next week. ABC and CBS haven't decided yet what to do. Fox and the WB plan to premiere their new shows on time.
-The cover for the new CD by the hip-hop band The Coup has been
pulled. It had a picture of the World Trade Center exploding. A band called Dream Theater is deciding if it will change the cover of its new CD, showing the World Trade Center and the Statue of Liberty on fire.
-94 bodies recovered at the World Trade Center -- 46 identified. 70 body parts recovered. More than 4,700 still missing.
-70 bodies recovered at the Pentagon. Officials estimate 190 have died -- 126 inside the Pentagon and 64 on the hijacked plane. Operations have switched officially from a rescue to a recovery operation.
-266 people were on the four hijacked planes. None survived.
Airline service is slowly resuming at a number of the nation's airports -- amid increased security following the terror strikes.
An unauthorized flight of a private Lear jet forced a temporary evacuation of Nashville International Airport in Tennessee Thursday. The aircraft, which had entered Nashville's air space without permission, landed when directed to do so by the F-A-A.
One man was arrested at New York's LaGuardia Airport on Thursday after making a comment about having a device in his bag. The airport was evacuated for a few minutes. A search turned up nothing.
-Ninety-one passengers who boarded a flight in London on Tuesday have finally arrived at their final destination in Dallas -- 36 hours late. The passengers on American Airlines Flight 9021 had to be diverted to Canada because of the terror attacks.
-The New York stock markets are to remain closed until Monday.
-These markets opened Thursday: major futures markets, the government bond market, the Chicago Board of Trade, the Chicago Mercantile Exchange.
-Baseball: Major league baseball has postponed games through Sunday.
-Football: NFL has called off this weekend's 15 games.
-Golf: All four of this weekend's PGA sanctioned golf tournaments are canceled. The LPGA says its Safeway Classic in Oregon will be played.
-Racing: NASCAR has canceled Sunday's running of the Winston Cup New Hampshire 300.
© MMI The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed