Sen. Maria Cantwell demands BP answers after Olympic Pipeline shutdown. 400-mile Olympic Pipeline shut after Nov 11 leak near Everett. Washington Gov. Bob Ferguson declares emergency over pipeline failure. Response crews excavate pipelines and remove contaminated soil. 90 trucks daily replace half airport's fuel supply. Alaska Airlines prepares extra fuel for 900,000 Thanksgiving travelers. Cantwell cites 1999 fireball and 2023 25,000-gallon spill in inquiry