This was the moment a man jumped off a bridge into a river in Montana's Rocky Mountains and knocked himself unconscious, before being rescued by an onlooker.<br /><br />Footage from July 26 shows the man's leap off Belton Bridge into Flathead River in Glacier National Park.<br /><br />The incident causes multiple gasps from onlookers. The man is seen floating face down from behind a large rock. But a man, realising the danger, jumps in to pull him to safety, <br /><br />The filmer, Seth Woodiwiss, wrote: "While filming people from my group about to jump off, a person jumped off of the bridge and into the water. <br /><br />"Everyone thought it was OK like the previous jumpers. <br /><br />"Though this one was different, he was floating face down when he resurfaced to the top of the water. <br /><br />"Upon seeing this, people started yelling to get him.<br /><br />"A guy jumped off of the bridge and subsequently brought him to shore. <br /><br />"He was helped by an EMT and nurse that were there with their own groups. <br /><br />"An ambulance was called and before they got there, the man regained consciousness and was inspected by the ambulance when they arrived."