Video appears to show President Donald Trump at a Super Bowl watch party on Sunday pretending to conduct the band as the national anthem played.
The Miami Herald first reported the video, which it said had been posted on Instagram. The Instagram "story" has since expired, as such videos typically are live for only 24 hours.
The video appears to show Trump standing during the anthem and gesturing as though he were conducting a band. Trump remains standing in the video shown by The Herald.
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Trump in the past has criticized NFL players who kneel during the anthem as disrespectful, including in 2018, when he said: "You have to stand proudly for the national anthem or you shouldn't be playing. You shouldn't be there. Maybe you shouldn't be in the country."
The White House has not responded to a request for comment.
Trump made a gaffe on Twitter on Sunday when he praised the state of Kansas after the Kansas City Chiefs beat the San Francisco 49ers, 31-20. The Chiefs are based in Kansas City, Missouri. The president later deleted the tweet and congratulated Missouri.