One person was killed and multiple others were injured during a shooting and stabbing incident Saturday afternoon at the Denver Coliseum, according to the Denver Police Department.
A fight broke out between two rival gangs, police told NBC News. The incident took place just before 1 p.m. local time (3 p.m. ET).
Police would not confirm how many people were injured or the extent of their injuries. No one is in custody yet, a Denver police spokesperson said.
The Colorado Motorcycle Expo is taking place this weekend at the Denver Coliseum, an entertainment venue on the National Western Stockshow complex.