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

A helicopter exploded mid-air after making contact with power lines above the Mississippi River on Thursday. These are the victims.

ST. CHARLES — Two people died Thursday morning after a helicopter struck power lines, crashed into a barge and caught fire near Alton. The crash happened just after 11 a.m. about a mile and a ...

Two people are dead after a Hughes 369D helicopter crashed on a barge in the Mississippi River near East Alton, Illinois.

Two workers died when their helicopter struck power lines and crashed into a barge on the Mississippi River near East Alton, Illinois, sparking a fire and halting river traffic as investigators ...

Two anglers were the last to see the victims of Thursday's fatal helicopter crash into the Mississippi River alive. Here's what they witnessed.

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 … ...

First responders say the helicopter had people on board who were trying to do work on nearby power lines before hitting one and crashing.

A helicopter crashed into a barge on the Mississippi River between Illinois and Missouri Thursday — killing at least two people.

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

A helicopter flying over the Mississippi River ran into a powerline Thursday, then crashed into a barge and sparked a fire, killing two people, officials said.The two dead were flying in the ...