President Trump and first lady Melania Trump marked 24 years since the Sept. 11, 2001, attacks at a service at the Pentagon on Thursday. While traditionally observed near the building's memorial outside the Pentagon's walls, the event was moved to the internal courtyard following the assassination of political activist Charlie Kirk, according to a White House official. Trump and Defense Secretary Pete Hegseth paid tribute to Kirk in their remarks, the AP reports. Developments include: