Denver Health said on Twitter that nine people were being transported to area hospitals, and Denver police confirmed one fatality with "numerous" others wounded.
Denver Health paramedics are responding at the Denver Colisuem. 9 people are being transported to area hospitals. Follow us on twitter.
— Denver Health (@DenverHealthMed) January 30, 2016
Denver Police spokeswoman Raquel Lopez said in a press conference a disturbance that involved shots fired and at least one stabbing broke out around 12:48 p.m. local time at the Colorado Motorcycle Expo, which was being held this weekend at the Coliseum.
She said one person was dead, but would not confirm how many other victims were involved. Police are not calling the event a "mass casualty" incident at this time, she said.
Lopez also said no suspect in custody and the investigation is ongoing.
Police confirm- 1 person has died- multiple people taken to hospital. Not saying who involved. pic.twitter.com/NqehvH4lfi
— Brendaliss Gonzalez (@brendalissg) January 30, 2016