White House Chief of Staff Andrew Card tells U.S. President George W. Bush that a plane has hit the World Trade Center. The President is visiting an elementary school in Sarasota, Florida.1

1 “Alerting the President” National September 11 Memorial & Museum n.d. Web. March 17, 2011 http://timeline.national911memorial.org/#/Explore
Courtesy of the National 9/11 Memorial and Museum