Watch from Kansas City, Missouri, after reports of shots fired at a victory rally for the Kansas City Chiefs.
The Kansas City fire department confirmed one person has been killed and three more are in critical condition.
A total of 10 people were wounded.
Stars including Travis Kelce and Patrick Mahomes were on stage celebrating the Super Bowl victory before a large police presence scrambled to nearby Union Station.
Reports of shots were made around 2pm local time.
Downtown Kansas City was a sea of red for Valentine’s Day as Chiefs fans celebrated their third Super Bowl title in five seasons.
The team came from behind to secure a 25-22 overtime win over the San Francisco 49ers.
Victorious players were also seen riding on top of double-decker buses in front of packed crowds earlier in the day, as confetti canons exploded in the streets.
