An ANC employee who attempted to ensure adherence to these rules was abruptly pushed aside.

Consistent with the decorum expected at ANC, this employee acted with professionalism and avoided further disruption.

Cheung did not immediately respond to a request for comment.

Donald Trump at a wreath-laying ceremony at Arlington National Cemetery on Monday.

Donald Trump at a wreath-laying ceremony at Arlington National Cemetery on Monday.Anna Moneymaker/Getty Images

But that video has not been released.

The campaign has posted video of Trumps visit to social media accounts.

Thirteen service members were killed during that attack.

Donald Trump and ABC News' Terry Moran

Arlington National Cemetery reinforced and widely shared this law and its prohibitions with all participants.

We can confirm there was an incident, and a report was filed.

In his presidential campaign, Trump has attacked the Biden administration for the chaotic exit.

There is no greater sacrifice than giving ones life in defense of our country.

It was my solemn privilege to stand alongside the family of Staff Sgt.

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NPR first reported on the incident.

The source told NPR that a verbal and physical altercation then ensued.

Cheung denied there was a physical altercation.