06/26/2015 17:20 EDT | Updated 06/26/2016 01:12 EDT

High speed a factor in Highway 16 crash near Valemount: police

VALEMOUNT, B.C. - Two people have been killed in a single-vehicle crash on Highway 16 near Valemount.Police were called early Friday to a report of a serious vehicle rollover on the highway east of Tete Jaune Junction, about 40 kilometres west of the Alberta boundary.Officers say when they arrived at the crash site they found a 28-year-old man and 29-year-old woman both dead.The highway was closed for seven hours while police investigated the scene.Police say excessive speed is believed to be a major factor, although the cause of the crash is still under investigation.Both victims are from British Columbia.