Latest developments
• Maine's Department of Public Safety says officials seized a rental car at the Portland jetport, believing two of the hijackers may have used the car to travel between Portland and Boston.
• The owners of a flight school in Venice, Florida, say that the FBI is investigating whether two former students were involved in the attacks.
• FAA says that U.S. airspace will be open Wednesday in a limited manner to allow stranded passengers to continue their journeys: only those airports that meet strict security measures will be opened.
• 80 bodies have been removed from the Pentagon. "Scores" of bodies have been located but not removed.
• A car is seized in Daytona Beach, Florida, with information relating to Osama bin Laden.
• New York Mayor Rudy Giuliani says that "the best estimate" for the number of dead could approach "a few thousand people ... in each building." As many as 300 firefighters and police officers are missing and feared dead. (Full story)
• Brokerage firm Morgan Stanley reports the "vast majority" of its 3,500 employees at the World Trade Center got out safely.
• The Taliban, who control 90 percent of Afghanistan, appeal to the United States to refrain from attacking their country.
• President Bush asks Congress for emergency funding to aid rescue and relief efforts and calls attacks "acts of war." (Full story)
• NATO is meeting to discuss invoking Article Five of its charter which would give a green light to the United States to retaliate once it determines who is responsible for Tuesday's attack and expediate assistance from other NATO members. (Full story)
• Intelligence sources tell CNN that at least two phone calls were intercepted between members of an organization connected with suspected terrorist Osama bin Laden. Phone calls mentioned that two targets had been hit. (Full story)
• The aircraft carrier USS George Washington has moved into New York Harbor
Crowds gather after police converged on the Westin Hotel in Boston.
• New York rescuers are searching for two other people who have been in contact with authorities; two other police officers were rescued Tuesday night. (Full story)
• New York Fire Chief Pete Ganci and First Deputy Commissioner of the Fire Department William Feehan have perished.
• Boston's Logan International Airport announces tightening of security. Among them: the airport will discontinue curbside baggage check-in and remove vehicles standing within 300 feet of front entrance (Full story)
• Pentagon announces: Military jets will be seen in skies over New York and Washington for the next several days.
• Reports of three suspicious aircraft over Canada were checked out by Canadian authorities and found to be untrue, according to U.S. officials. Concern about the matter was prompted by a Canadian pilot who reported -- erroneously as it turned out -- that he was being followed by three other aircraft.
• New York City is closed to the public south of 14th Street.