The cemetery official tried to prevent Trump staffers from filming and photographing in a section where recent U.S. casualties are buried, a source with knowledge of the incident told NPR.
A federal judge allowed Arlington National Cemetery to remove a century-old Confederate memorial one day after blocking the removal over a report that gravesites were disturbed.
A group filed suit saying that the removal of the memorial was disturbing surrounding graves. A federal judge ordered workers to stop and scheduled a hearing for Wednesday.
While ceremonies are held at the tomb almost every day, this is the first time since its creation in 1921 that members of the public have been allowed to walk on the plaza to pay their respects.
Many Americans may have forgotten that Veterans Day began as a commemoration of World War I veterans. NPR's Kathleen Rushlow remembers her grandfather, who served in the 12th Machine Gun Battalion.
"They fought and bled and died so that America would forever remain safe and strong and free," Trump said at Arlington cemetery. Earlier, he drew criticism online for praise some found self-serving.
In his first Memorial Day speech as commander in chief, President Trump paid tribute to those who died in service to the country, and thanked the families who sacrificed their loved ones.
The legislation would allow the remains of women who served as Women Airforce Service Pilots, or WASP, in the 1940s to be buried in the veterans cemetery.