Chicago: Around 9:30 pm tonight a medical helicopter has crashed in Chicago, closing down several highways in the area of I-57 & I-94.
A Superior Air Ambulance helicopter (N312SA) was transporting a female patient approx. 70 years old to Christ Hospital, when they called a MAYDAY to the tower and said they were going down.
4 people were on board the helicopter. All have been transported to local hospitals.