The Royal Canadian Mounted Police (RCMP) are investigating a serious motor-vehicle collision that occurred on Highway 628 between Winterburn Road and 231 Street Northwest, on the boundary between the Enoch Cree First Nation and Edmonton. According to a news release issued on Sunday morning, RCMP, fire crews, and EMS were on scene. The road is expected to be closed for some time while the investigation continues. No further details are available at this time.