Four people were killed in a shooting on a Chicago Transit Authority train early Monday, Paralel.Az reports quoting NBC News.

The Forest Park Police Department got a 911 call around 5:27 a.m. about victims with gunshot wounds on a train at the Blue Line station at 711 Desplaines Avenue, Forest Park, it said on Facebook.

Police found four people with gunshot wounds, they said. Three were pronounced dead at the scene, and the fourth died at Loyola University Medical Center.