101.   The five officers were found in the smashed lobby of the north tower, which was the second to collapse.

102.   The first airliner in the attacks struck the north tower where Hingson worked as a sales manager at Quantum ATL, a network data-storage company.

103.   The footage shows fire officials setting up a command post in the north tower, shot by Jules Naudet.

104.   The north tower had been hit by a hijacked jet, and Eric was planning to get out of the building.

105.   Twelve bodies were seen being removed from the rubble of the north tower within about six hours.

106.   Vigiano said while he watched the show he was looking for any sign of his son Joe Vigiano, a police officer last seen in the north tower.

107.   Workers are also picking through a smaller pile of rubble where the north tower once stood.

108.   May said no trusses on the two north towers were to be replaced.

109.   Modifications for the other two towers, which are different from the north towers, were expected to be approved next week.