At least three people were killed and three others were injured by a gunman at the Grand Sierra Resort casino in Reno, Nevada, on Monday, authorities said.Reno Police Chief Kathryn Nance and Sparks Police Chief Chris Crawforth were among a number of officials who held an afternoon press conference to provide an update on the shooting,

A gunman who opened fire just outside a casino in Reno, Nevada, shot multiple people Monday morning before being taken into custody, police said.

The gunman initially opened fire, but their gun jammed, the official said.