10:28:22: The North Tower of the World Trade Center collapses. Due to the destruction of the gypsum-encased stairwells on the impact floors (most skyscraper stairwells are encased in reinforced concrete), no one who was above the impact zone in the North Tower escapes the collapse. The Marriott Hotel, located at the base of the two towers, is also destroyed. The second collapse is also viewed live on television and heard on radio. The North Tower collapses 1 hour, 42 minutes after the impact of Flight 11—the building had burned during the whole duration of the attacks. 7 World Trade Center burns after the collapse of the North Tower. New York City's 1010 WINS reports the collapse live as it happens, broadcasting a live phone call with WINS news director Ben Mevorach, who witnessed the collapse from the Manhattan Bridge. On NBC News, Katie Couric says: "The other tower of the World Trade Center has just collapsed."