WSP said it was advised to close I-5 at the U.S.-Canada border due to a bomb threat and was able to reopen a few hours later. More: https://www.king5.com/article/news/local/i-5-northbound-at-canadian-border-closed-due-to-bomb-threat/281-8b8e94bb-4be7-4062-8950-cccc3dfaf6da