The New York Times first reported the permit and noted that several players from Kelce's Kansas City Chiefs team booked nearby hotel rooms, while an unnamed law enforcement official confirmed security plans to the Associated Press.
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Celebrity photographer Mickey Blank told BBC Newsbeat that Madison Square Garden is surrounded by press, though high-profile guests are expected to arrive via an underground parking lot due to tight security.
"It's like Pentagon-level secrecy," Blank said. He noted that security measures would prevent any public visibility of the attendees.
"You cannot go in, you cannot see anything."
The photographer explained that high-profile guests would use the venue's private infrastructure. "They have an underground parking lot.
All the high-profile guests are expected to arrive underground."
Blank also indicated that the pop star would remain completely hidden from public view. "Your chances of seeing Taylor Swift are, like, lower than zero."
The venue recently hosted a darts championship filled with costume-wearing fans, presenting a cleanup challenge for the wedding organizers.
"The floor was so sticky, I could barely move," Blank said.
New York Mayor Zohran Mamdani addressed the event logistics during a press conference on Wednesday. "We are fully prepared, there isn't anything to share beyond that."
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Mamdani later referenced the event on social media while giving heatwave advice to city residents, highlighting July 4 as a historically favored holiday for Swift.