Firefighters said they were still working to determine the cause of the blaze, but it began in a construction area.
Amid-sized fire broke out at the Denver Broncos’ stadium on Thursday.
Firefighters quickly contained the blaze in the 300 level of Empower Field at Mile High, the Denver Fire Department said in a series of tweets.
The fire burned dozens of seats and multiple suites.
No injuries were reported.
Firefighters said they were still working to determine the cause of the blaze, but it began in a construction area, according to the stadium’s Twitter account.
The fire department said the stadium’s sprinkler system could not contain the blaze.
The Broncos have not played since Jan. 8, when they hosted the Kansas City Chiefs for a 28-24 loss in Week 18.
They heated up the offseason by acquiring Russell Wilson from the Seahawks in a trade.
The Denver Broncos are a professional American football franchise based in Denver.
The Broncos compete in the National Football League (NFL).
(dpa/NAN)