Amazon says it has removed items with Nazi or white supremacist symbols from its website after criticism from advocacy groups.
An Amazon executive said the company blocked the accounts of some retailers and might suspend them.
Democratic US Rep. Keith Ellison of Minnesota complained to Amazon CEO Jeff Bezos last month. The company's vice president of public policy, Brian Huseman, responded to Ellison, telling him that Amazon prohibits listing products that promote or glorify hatred, violence or intolerance.
A spokeswoman for Seattle-based Amazon.com Inc. declined to comment further on Sunday.
In early July, the Partnership for Working Families and the Action Center on Race and the Economy highlighted Amazon listings including swastika pendants, baby onesies with burning cross logos and a costume that makes the wearer look like he has been lynched -- the model appears to be a black man.