UPDATE: 5:50 a.m.
DriveBC reports the incident and highway closure on the Coquihalla at Surrey Lake summit between Merritt and Kamloops was cleared as of about 3:15 a.m.
ORIGINAL: 10:15 p.m.
Highway 5 is closed northbound for a 16.5 kilometre section between Merritt and Kamloops.
According to DriveBC, a vehicle incident between Exit 315 and Exit 336 on the Coquihalla has caused the closure.
A detour is available via Highway 5A.
Details of the incident are not clear.