The hospital , Royal Canadian Mounted Police ( RCMP ) station and schools remained standing , however .

An RCMP investigation concluded Coming_to_believe that the cause Causation of the fire Catastrophe was arson Committing_crime ; however , no arrests Arrest were made Action .

They began Process_start with the murders Killing of Benito Constable William Wainwright and RCMP Constable John Shaw near Pelly , Saskatchewan by three Doukhobor men who had been in the custody of the officers .

This led to Causation a shootout Use_firearm which killed Killing two additional RCMP officers in Banff , Alberta and the death Death of perpetrator Joseph Posnikoff .

The remaining two perpetrators were gunned Use_firearm down by Banff Park Game Warden William Neish , as they were pursued Aiming by a combined posse of RCMP officers and armed civilian volunteers .

The ordeals involved RCMP detachments from three provinces in Western Canada and would remain one of the deadliest incidents Catastrophe in RCMP history until the Mayerthorpe Tragedy Catastrophe in 2005 .

The ordeals involved RCMP detachments from three provinces in Western Canada and would remain one of the deadliest incidents Catastrophe in RCMP history until the Mayerthorpe Tragedy Catastrophe in 2005 .