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 said.

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 said.

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 said.