A heli-skiing company says three people have died after one of its helicopters crashed in west-central British Columbia.

Northern Escape Heli-Skiing, which is based in Terrace, B.C., confirmed the deaths in a news release but did not say how many people were involved in the crash near the city.

B.C. Emergency Health Services says it was notified Monday afternoon about the crash, and that three air and five ground ambulances were dispatched.

It says paramedics treated four patients who were transported to Terrace鈥檚 Mills Memorial Hospital in critical condition.

Sub-Lieut. Wilson Ho, a spokesman with the Joint Rescue Coordination Centre in Victoria, says a CH-149 Cormorant helicopter was sent to assist.

The heli-skiing company says it has contacted the critical incident stress management team from HeliCat Canada, a trade association representing the helicopter and snowcat skiing industry, which will offer services that include debriefing and peer support.

鈥淣orthern Escape Heli-Skiing is focused on the safety of guests, staff and guides 鈥� it is our top priority and the most important work we do,鈥� John Forrest, the company鈥檚 president and general manager, said in a statement.

鈥淲e are working closely with the RCMP and other authorities to support the investigation into the cause of the incident.鈥�

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