The Snowbirds present air shows to the Canadian public, similar to the US Navy Blue Angels.
The RCMP and other safety and regulatory authorities are investigating the possible causes of the accident.
“It was a tragic scene that had a huge response from emergency vehicles, not something you would expect in the middle of a long weekend in Kamloops,” said the city’s mayor, Ken Christian.
The military said it was sending an investigation team to Kamloops, said Christian.
“In the meantime, the” Birds “are anchored here in Kamloops,” he said, adding that he had spoken on the phone with Prime Minister Justin Trudeau and Defense Minister Harjit Singh Sajjan.
Anyone who may have filmed the incident is asked to contact the Kamloops RCMP.
CNN’s Deanna Hackney and Laura James contributed to this report.