Four people were sent to hospital following a crash northwest of Okotoks on Wednesday evening.
RCMP said the two-vehicle crash occurred on Highway 552 West and 274 Avenue in Foothills County and the highway was closed for several hours.
There were two occupants in each vehicle that had moderate to serious injuries, RCMP said.
All four individuals are in stable condition and the cause of the collision is under investigation, RCMP said.
The collision occurred just before 7 p.m. on April 24.
