Police vehicles were investigating on Sunday near the scene of an attack at a gay nightclub in Colorado Springs.A 22-year-old gunman walked into the nightclub and immediately began firing from a "long rifle," killing at least five people.

Police vehicles were investigating on Sunday near the scene of an attack at a gay nightclub in Colorado Springs.A 22-year-old gunman walked into the nightclub and immediately began firing from a "long rifle," killing at least five people.