The Teamsters labor union has filed charges following the suspension of a New York Amazon driver who had suffered a homophobic attack on the job.

The International Brotherhood of Teamsters is preparing to file an unfair labor practice lawsuit and a formal complaint with the Equal Employment Opportunity Commission against Amazon (NASDAQ:AMZN) for a verbal assault against an employee that occurred at a Queens,

Teamsters at an Amazon facility in Queens, N.Y., allege that a union buster verbally assaulted and used a homophobic slur against a driver.