Two men and two women were shot dead inside a building in St. Louis, police told Fox2Now.com.
According to the police, the shots were fired inside the Cherokee Place Business Incubator and there is no active search for a shooter.
At least a dozen police cars and two ambulances responded to the scene, STLToday.com reported. At least one man and two women were reportedly taken into custody.
Homicide detectives and and a crime scene unit are on the scene.
According to STLToday.com, the building is made up of studio "live-work spaces."