UPDATE:
The rockslide that partially blocked Highway 97 last night is being cleared.
ORIGINAL STORY:
A rockslide on Highway 97 along Okanagan Lake was affecting traffic on Thursday night.
The daily email you need for
's top news stories.
The rocks came down between Callan Road and North Beach Road.
DriveBC said vehicle flow was reduced to single-lane alternating traffic.
Blake Dixon with the Ministry of Transportation said the call came in at about 8 p.m., and that the rocks were initially covering three lanes of highway.
Traffic remained affected on Friday morning as geotechnical engineers wait to assess the area during daylight hours.
There were no immediate reports of injuries. The cause of the slide remains unknown.