A BABY has been killed and two have been shot dead in a horrific gun rampage at the WestFest carnival in Utah.
Police were called at around 9:30pm after a teenager pulled out a gun and shot at five people.
Three people have been reported dead dead, including a 41-year-old woman and an 8-month-old child.
Local police said officers near Centennial Park spotted two groups of people getting into an altercation before the teenager opened fire.
An 18-year-old man, who is believed to have been in one of the groups, was also killed.
A 16-year-old has been arrested on suspicion of the shooting but is yet to be identified.
West Valley City Police Department said: “There has been a shooting at WestFest, which was underway at Centennial Park.
“Several people are hurt. PIO is en route. Media: standby for staging.”

A baby has been killed and two have been shot dead in a horrific gun rampage at the WestFest carnival in Utah.[/caption]