St. Charles County authorities have released the identities of the victims killed in Thursday’s tragic helicopter crash.

WEST ALTON, Mo. — A portion of the Mississippi River remained closed Friday as the FAA and NTSB continued their investigations into a deadly helicopter crash near Alton.

Alton helicopter-barge crash: 2 contractors dead, river reopens as investigations begin Ameren contractor, J.F. Electric employee killed in helicopter crash on Mississippi River ...

Adam Briggs of Edwardsville had a day off work and was fishing along the riverbank on the Illinois side when the helicopter crashed.

Two people working on powerlines near the Mississippi River died Thursday when their helicopter hit the lines, crashed into a barge and sparked a fire that belched plumes of black smoke, officials … ...

Two people were killed when a helicopter crashed into a barge in the Mississippi River in Alton, Illinois, north of St. Louis.

Two people died when a helicopter crashed into a barge in the Mississippi River near East Alton, Illinois, north of St. Louis, on Thursday, the Federal Aviation Administration said.

Two people were killed when a helicopter on a barge in the Mississippi River near Alton, Illinois.

ALTON, Ill. (KMOV /Gray News) - Two people were killed when a helicopter crashed into a barge in the Mississippi River near Alton, Illinois. First responders confirmed that the helicopter crashed onto ...

First responders confirmed that the helicopter crashed onto a barge and caught fire at about 11 a.m. Thursday. The Alton Fire Department confirmed two people were killed in the crash.

Two people were killed when a helicopter on a barge in the Mississippi River near Alton, Illinois.