All lanes of Interstate 90 eastbound were blocked in Seattle after a large motorhome fire broke out in the Mt. Baker tunnel Monday afternoon. Cameras inside the tunnel showed a large fire and smoke billowing throughout the tunnel. Latest: https://www.king5.com/article/traffic/traffic-news/i-90-fully-blocked-in-seattle-after-large-motorhome-fire-breaks-out-in-tunnel/281-1cc2af43-d454-4a84-90f7-7c28d172b58e