A helicopter carrying two people tragically crashed into a barge on the Mississippi River near Alton, resulting in the deaths of both individuals on board. The incident occurred during power line work, when the helicopter struck power lines before colliding with the barge. Emergency responders were dispatched to the scene, and there are concerns about a potential chemical leak from the barge. Videos of the crash have surfaced, depicting a significant fireball upon impact. Authorities are currently investigating the incident.