Highway 97 at Vaseaux Lake north of Oliver was shut down to traffic Friday morning because of a head-on crash.
RCMP say alcohol intoxication may be a factor in the collision which sent six people to hospital, some with possible serious injuries.
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Witnesses told police the driver of a car was passing another vehicle on a double-solid line when it collided with an on-coming pickup truck.
It happened at about 8:30 a.m. closing down both lanes for about two hours.
Traffic was then restricted to single-lane alternating.
The sharp corner, with numerous warning signs, has been the scene of several fatal crashes over the years.