According to emergency radio traffic, Washington State Patrol at the scene reports the situation had been resolved and they will be reopening all lanes momentarily.
ORIGINAL STORY (3pm)
All lanes of I-5, both northbound and southbound, have been closed due to negotiations underway between law enforcement and a person on the N Lake Samish Way overpass.
The situation began about 1:30pm and all lanes were closed shortly after.
As of 3pm, southbound traffic was being directed off the interstate at Old Fairhaven Parkway and northbound traffic was being directed off at Nulle Road. Whatcom County Sheriff’s Office deputies, Whatcom County fire and aid units and Washington State Patrol troopers are at the scene.
No estimate has been given for how long the lanes will remain close.