U.S., April 10 -- According to an eye witnesses who was on a tour boat on the river at the time, saw the helicopter dropping as the rotor flew off and it nose-dived into the frigid water. Debris from the crash went flying everywhere including the tour boat.

Videos show the helicopter falling end over end before it smashed into the water at high speed.

All 6 people were taken to a hospital but there were no survivors.

Published by HT Digital Content Services with permission from US Eturbo News....