Donald Trump Jr. tried to attack a 2020 presidential bid by New York City Mayor Bill de Blasio on Wednesday night by sharing a video of refuse lining the sidewalk around Central Park.

But in doing so, he accidentally picked a fight with one of the internet’s biggest fandoms.

de Blasio announced his presidential bid on Thursday, joining a long list of people seeking the party’s nomination to square off against Trump in 2020.

Trump Jr., who tweeted ahead of the announcement, said a presidential bid by the mayor was “going nowhere.” He continued that de Blasio should “clean up his backyard” before running for president. He attached a 27-second video that showed garbage, sleeping bags, and makeshift tents along the sidewalk near Central Park.

“Rather than do a PR stunt ‘run’ for President (we all know it’s going nowhere) maybe @NYCMayor should clean up his backyard first. This video from this morning should tell you all you need to know about his ‘leadership.’ What a clown show!!!” Trump Jr. wrote.

Rather than do a PR stunt “run” for President (we all know it’s going nowhere) maybe @NYCMayor should clean up his backyard first. This video from this morning should tell you all you need to know about his “leadership.” What a clown show!!! pic.twitter.com/E9kTUQXfTR — Donald Trump Jr. (@DonaldJTrumpJr) May 15, 2019

However, as some users on Twitter pointed out, the garbage was left over from people waiting to see a free concert from the K-Pop group BTS.

oh my fucking god https://t.co/VHIlxpxRw7 — jonas brothers stan (@softjoonie) May 16, 2019

Dumbass gets 11k other dumbasses to think kids camping out for a BTS concert is what NYC looks like all the time: https://t.co/NPRDuDFW4B https://t.co/2qOrmt1El8 — Eric Schmeltzer 🇺🇸 (@JustSchmeltzer) May 16, 2019

https://twitter.com/lisa_inverse/status/1128857014984216576

Context Matters ya'll. People were camped for a week for the BTS show, and once the show was over, they came back and cleaned up the site as there is proof of the site before, during the clean up and after. BTS and ARMYs try to stay out of politics, please leave us alone. — BTS Maryland Fan⁷ (@btsnoonavote) May 16, 2019

https://twitter.com/ctjeon/status/1128850209159749638

https://twitter.com/LAYYSSUS/status/1128850851479474176

As Gothamist noted earlier this week, people have been waiting in line for over a week with camping gear to get a shot at getting into the free BTS concert at Good Morning America.

It appears Trump Jr. isn’t the only member of the family that has a disdain for the New York City mayor.

The president tweeted about de Blasio’s bid early Thursday.

“The Dems are getting another beauty to join their group. Bill de Blasio of NYC, considered the worst mayor in the U.S., will supposedly be making an announcement for president today. He is a JOKE, but if you like high taxes & crime, he’s your man. NYC HATES HIM!” the president tweeted.

The Dems are getting another beauty to join their group. Bill de Blasio of NYC, considered the worst mayor in the U.S., will supposedly be making an announcement for president today. He is a JOKE, but if you like high taxes & crime, he’s your man. NYC HATES HIM! — Donald J. Trump (@realDonaldTrump) May 16, 2019

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