“Multiple people” have been hit by shots fired near to where the Kansas City Chiefs’ Super Bowl victory parade was taking place, police have said.
The Chiefs’ were celebrating their weekend win against the San Francisco 49ers in Las Vegas.
At least eight to 10 people were injured during the incident, which occurred near to a train station close to the event, police said.
The force said two armed people were taken into custody.
Video footage showed a chaotic scene outside the station as officers stormed into the building while people who had been attending the Super Bowl celebration ran for safety.
“Shots were fired west of Union Station near the garage and multiple people were struck,” police said on X.
“We took two armed people into custody for more investigation.”
Crowds had lined the streets to welcome the winning team to celebrate their third Super Bowl title in five seasons.
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Confetti canons exploded from double-decker buses as players rolled through the crowd, while club owner Clark Hunt held up the trophy.
The team then took to the stage to address the crowds, including Taylor Swift’s boyfriend Travis Kelce, who was held up by teammates as he sang to fans.
Love Story singer Swift was absent from the event as she has the first of three scheduled concerts in Melbourne, Australia, on Friday, as part of her Eras Tour.