At least 3 people were injured in the incident on Saturday.

The refinery is a key energy facility in the Pacific Northwest region. 

Whatcom County Fire Service said emergency crews quickly reached the scene and, with the help of medical teams, transferred the injured to nearby hospitals. 

Fire officials confirmed the situation is now fully under control. 

They also stated that there is currently no safety or health risk for residents in nearby areas.

 Recent updates indicate that investigations are ongoing to determine the cause of the explosion, while authorities continue to monitor the site to ensure safety.