Breaking news out of Washington state where we’re seeing reports that a tunnel has collapsed at the Hanford nuclear site with worker told to “take cover”:

The tunnel is reportedly filled with radioactive material:

The site is listed as one of the “most toxic places in America”:

Authorities have activated the “Hanford Emergency Operations Center” to deal with the catastrophe:

Employees have be told to “secure ventilation” in the buildings at the facility:

More from Hanford:

We’ll update this post as soon as we learn more.