<p>A glacier-viewing bus overturned on Saturday at a popular tourist spot in the Canadian Rockies, killing three people and seriously injuring several others, news reports said.</p>.<p>The all-terrain vehicle rolled off the road near the Columbia Icefield in Jasper National Park, Alberta, national broadcaster CBC said.</p>.<p>Photos published by media outlets show the upturned red-and-white bus, equipped with monster-truck style tires for crossing ice, on a rocky slope below the road across the glacier's moraine.</p>.<p>The bus lost control and rolled down the hill, witness Vanja Krtolica told the Globe and Mail.</p>.<p>"All of a sudden, everybody started screaming because they saw the coach lose control," said Krtolica, who was on a similar bus.</p>.<p>"It was careening down that 33 degrees... steep hill and lost control," he told the newspaper.</p>.<p>The bus was owned by Pursuit, a company which takes tourists on sight-seeing trips to the Athabasca Glacier, which is one of the "toes" of the Columbia Icefield, CBC said.</p>.<p>Of the 27 passengers on board, "three adults were confirmed deceased, along with a number of other passengers critically injured," the Jasper Royal Canadian Mounted Police said in a statement, quoted by Global News.</p>.<p>The injured were transported by helicopter from the remote site to a triage point.</p>.<p>Alberta Health Services said 24 patients were then taken by air and ground ambulances to hospitals in Edmonton, Grande Prairie, Hinton and Calgary.</p>.<p>"Multiple EMS crews attended the tragic accident on the Columbia Icefield," it said on Twitter.</p>.<p>The accident occurred in one of the most popular tourist areas in western Canada along the scenic Icefields Parkway that runs through Banff and Jasper national parks.</p>.<p>Spanning the continental divide, Columbia Icefield is the largest in the Canadian Rockies, covering 230 square kilometres (89 square miles) to a depth of 365 metres (1,200 feet), according to Travel Alberta.</p>
<p>A glacier-viewing bus overturned on Saturday at a popular tourist spot in the Canadian Rockies, killing three people and seriously injuring several others, news reports said.</p>.<p>The all-terrain vehicle rolled off the road near the Columbia Icefield in Jasper National Park, Alberta, national broadcaster CBC said.</p>.<p>Photos published by media outlets show the upturned red-and-white bus, equipped with monster-truck style tires for crossing ice, on a rocky slope below the road across the glacier's moraine.</p>.<p>The bus lost control and rolled down the hill, witness Vanja Krtolica told the Globe and Mail.</p>.<p>"All of a sudden, everybody started screaming because they saw the coach lose control," said Krtolica, who was on a similar bus.</p>.<p>"It was careening down that 33 degrees... steep hill and lost control," he told the newspaper.</p>.<p>The bus was owned by Pursuit, a company which takes tourists on sight-seeing trips to the Athabasca Glacier, which is one of the "toes" of the Columbia Icefield, CBC said.</p>.<p>Of the 27 passengers on board, "three adults were confirmed deceased, along with a number of other passengers critically injured," the Jasper Royal Canadian Mounted Police said in a statement, quoted by Global News.</p>.<p>The injured were transported by helicopter from the remote site to a triage point.</p>.<p>Alberta Health Services said 24 patients were then taken by air and ground ambulances to hospitals in Edmonton, Grande Prairie, Hinton and Calgary.</p>.<p>"Multiple EMS crews attended the tragic accident on the Columbia Icefield," it said on Twitter.</p>.<p>The accident occurred in one of the most popular tourist areas in western Canada along the scenic Icefields Parkway that runs through Banff and Jasper national parks.</p>.<p>Spanning the continental divide, Columbia Icefield is the largest in the Canadian Rockies, covering 230 square kilometres (89 square miles) to a depth of 365 metres (1,200 feet), according to Travel Alberta.</p>