10 warehouse collapsethat left six employees dead.

Theyaddressed their 12-page letterto Amazon founder Jeff Bezos and CEO Andy Jassy.

The structure suffered a direct hit from a tornado.

Aside from Warren (Massachusetts) and Ocasio-Cortez (New York), the letter was signed by Sens.

All are Democrats, except Sanders, who is an independent but caucuses with the Democrats.

“Putting corporate profits above the health and safety of workers is unacceptable.

In a statement emailed to CNET, Amazon noted that it was reviewing the letter and would respond.