Dave McKenna, president of the Banff Jasper Collection, told CNN that an off-road ice explorer was involved in an accident en route to the Athabasca Glacier at around 2 p.m. (4 p.m. ET) on Saturday.
The Athabasca Glacier is located on the Columbia Icefield in the Canadian Rockies, about three and a half hours northwest of Calgary.
"I would like to offer our deepest condolences to the family and friends of the deceased and our deepest condolences to those injured in yesterday's accident," McKenna said in an emailed statement.
Critically ill patients
The Royal Canadian Mounted Police and occupational health and safety are investigating the accident, the release said.
Alberta Health Services said on Twitter Saturday that several patients were injured after the bus overturned in Alberta.
He said 24 patients had been transported to the hospital, 14 in critical condition. Air ambulances and helicopters also responded to the accident.
Prime Minister Justin Trudeau expressed condolences in a message on Twitter on Sunday.
"To those who lost a loved one in yesterday's Columbia Icefields bus crash, please know that we are here for you and keep you in our thoughts. We also wish a full recovery to those who have been injured. And to first responders, thank you for your prompt action and hard work, "Trudeau said.
Paula Newton of CNN reported from Ottawa and Hollie Silverman from Atlanta. Susannah Cullinane also contributed to this report.
