CHICAGO (CBS)– Crews are responding to a rollover crash involving a ambulance on Veterans Memorial Tollway at 15th Street.

All southbound lanes are blocked off. Traffic is backed up about a mile from the scene.

READ MORE: Woman Questions COVID-19 Clinic After Receiving Results Before Testing

Illinois State Police confirmed the crash involved an ambulance and a car.

READ MORE: 4 Dead, 25 Wounded In Weekend Shootings In Chicago

One person is being transported to the hospital, their condition is not known at this time.

MORE NEWS: 17-Year-Old Shot In Hyde Park

This is a developing story.